Home / 12,511,863.60-18,767,795.40-4,433,960.40

Finding the Fourth Proportional to 12,511,863.60, 18,767,795.40 and 4,433,960.40

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Solution

The fourth proportional to 12,511,863.60, 18,767,795.40 and 4,433,960.40 is: 6,650,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511,863.60 : 18,767,795.40 = 4,433,960.40 : x
  2. Step 2: Convert to fraction form
    12,511,863.60/18,767,795.40 = 4,433,960.40/x
  3. Step 3: Cross multiply
    12,511,863.60x = 18,767,795.40 × 4,433,960.40
  4. Step 4: Simplify right side
    12,511,863.60x = 83,215,661,598,902.16
  5. Step 5: Solve for x
    x = 83,215,661,598,902.16/12,511,863.60
  6. Step 6: Final answer
    x = 6,650,940.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.