Home / 47,902,979.10-71,853,431.18-13,358,459.15

Finding the Fourth Proportional to 47,902,979.10, 71,853,431.18 and 13,358,459.15

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Solution

The fourth proportional to 47,902,979.10, 71,853,431.18 and 13,358,459.15 is: 20,037,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,902,979.10 : 71,853,431.18 = 13,358,459.15 : x
  2. Step 2: Convert to fraction form
    47,902,979.10/71,853,431.18 = 13,358,459.15/x
  3. Step 3: Cross multiply
    47,902,979.10x = 71,853,431.18 × 13,358,459.15
  4. Step 4: Simplify right side
    47,902,979.10x = 959,851,124,779,306.75
  5. Step 5: Solve for x
    x = 959,851,124,779,306.75/47,902,979.10
  6. Step 6: Final answer
    x = 20,037,399.40

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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.