Home / 15,502,406.10-23,253,609.15-12,139,487.70

Finding the Fourth Proportional to 15,502,406.10, 23,253,609.15 and 12,139,487.70

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Solution

The fourth proportional to 15,502,406.10, 23,253,609.15 and 12,139,487.70 is: 18,209,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502,406.10 : 23,253,609.15 = 12,139,487.70 : x
  2. Step 2: Convert to fraction form
    15,502,406.10/23,253,609.15 = 12,139,487.70/x
  3. Step 3: Cross multiply
    15,502,406.10x = 23,253,609.15 × 12,139,487.70
  4. Step 4: Simplify right side
    15,502,406.10x = 282,286,902,257,032.44
  5. Step 5: Solve for x
    x = 282,286,902,257,032.44/15,502,406.10
  6. Step 6: Final answer
    x = 18,209,231.55

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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.