Home / 40,335,515.28-55,663,011.18-22,000,800.78

Finding the Fourth Proportional to 40,335,515.28, 55,663,011.18 and 22,000,800.78

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Solution

The fourth proportional to 40,335,515.28, 55,663,011.18 and 22,000,800.78 is: 30,361,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,335,515.28 : 55,663,011.18 = 22,000,800.78 : x
  2. Step 2: Convert to fraction form
    40,335,515.28/55,663,011.18 = 22,000,800.78/x
  3. Step 3: Cross multiply
    40,335,515.28x = 55,663,011.18 × 22,000,800.78
  4. Step 4: Simplify right side
    40,335,515.28x = 1,224,630,819,786,092.75
  5. Step 5: Solve for x
    x = 1,224,630,819,786,092.75/40,335,515.28
  6. Step 6: Final answer
    x = 30,361,105.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.