Home / 18,105,773.28-24,985,468.80-9,957,011.52

Finding the Fourth Proportional to 18,105,773.28, 24,985,468.80 and 9,957,011.52

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Solution

The fourth proportional to 18,105,773.28, 24,985,468.80 and 9,957,011.52 is: 13,740,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105,773.28 : 24,985,468.80 = 9,957,011.52 : x
  2. Step 2: Convert to fraction form
    18,105,773.28/24,985,468.80 = 9,957,011.52/x
  3. Step 3: Cross multiply
    18,105,773.28x = 24,985,468.80 × 9,957,011.52
  4. Step 4: Simplify right side
    18,105,773.28x = 248,780,600,674,200.56
  5. Step 5: Solve for x
    x = 248,780,600,674,200.56/18,105,773.28
  6. Step 6: Final answer
    x = 13,740,401.85

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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.