Home / 12,127,863.40-18,191,795.10-6,063,531.10

Finding the Fourth Proportional to 12,127,863.40, 18,191,795.10 and 6,063,531.10

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Solution

The fourth proportional to 12,127,863.40, 18,191,795.10 and 6,063,531.10 is: 9,095,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,863.40 : 18,191,795.10 = 6,063,531.10 : x
  2. Step 2: Convert to fraction form
    12,127,863.40/18,191,795.10 = 6,063,531.10/x
  3. Step 3: Cross multiply
    12,127,863.40x = 18,191,795.10 × 6,063,531.10
  4. Step 4: Simplify right side
    12,127,863.40x = 110,306,515,353,677.61
  5. Step 5: Solve for x
    x = 110,306,515,353,677.61/12,127,863.40
  6. Step 6: Final answer
    x = 9,095,296.65

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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.