Home / 10,959,397.20-16,440,132.60-2,981,221.20

Finding the Fourth Proportional to 10,959,397.20, 16,440,132.60 and 2,981,221.20

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Solution

The fourth proportional to 10,959,397.20, 16,440,132.60 and 2,981,221.20 is: 4,472,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959,397.20 : 16,440,132.60 = 2,981,221.20 : x
  2. Step 2: Convert to fraction form
    10,959,397.20/16,440,132.60 = 2,981,221.20/x
  3. Step 3: Cross multiply
    10,959,397.20x = 16,440,132.60 × 2,981,221.20
  4. Step 4: Simplify right side
    10,959,397.20x = 49,011,671,837,931.12
  5. Step 5: Solve for x
    x = 49,011,671,837,931.12/10,959,397.20
  6. Step 6: Final answer
    x = 4,472,113.83

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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.