Home / 47,934,624.15-71,891,499.41-12,918,921.20

Finding the Fourth Proportional to 47,934,624.15, 71,891,499.41 and 12,918,921.20

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Solution

The fourth proportional to 47,934,624.15, 71,891,499.41 and 12,918,921.20 is: 19,375,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,934,624.15 : 71,891,499.41 = 12,918,921.20 : x
  2. Step 2: Convert to fraction form
    47,934,624.15/71,891,499.41 = 12,918,921.20/x
  3. Step 3: Cross multiply
    47,934,624.15x = 71,891,499.41 × 12,918,921.20
  4. Step 4: Simplify right side
    47,934,624.15x = 928,760,615,827,636.38
  5. Step 5: Solve for x
    x = 928,760,615,827,636.38/47,934,624.15
  6. Step 6: Final answer
    x = 19,375,568.96

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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.