Home / 12,410,141.10-18,615,211.65-9,221,495.10

Finding the Fourth Proportional to 12,410,141.10, 18,615,211.65 and 9,221,495.10

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Solution

The fourth proportional to 12,410,141.10, 18,615,211.65 and 9,221,495.10 is: 13,832,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410,141.10 : 18,615,211.65 = 9,221,495.10 : x
  2. Step 2: Convert to fraction form
    12,410,141.10/18,615,211.65 = 9,221,495.10/x
  3. Step 3: Cross multiply
    12,410,141.10x = 18,615,211.65 × 9,221,495.10
  4. Step 4: Simplify right side
    12,410,141.10x = 171,660,083,015,937.91
  5. Step 5: Solve for x
    x = 171,660,083,015,937.91/12,410,141.10
  6. Step 6: Final answer
    x = 13,832,242.65

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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.