Home / 18,715,497.92-28,074,113.90-5,762,228.78

Finding the Fourth Proportional to 18,715,497.92, 28,074,113.90 and 5,762,228.78

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Solution

The fourth proportional to 18,715,497.92, 28,074,113.90 and 5,762,228.78 is: 8,643,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,497.92 : 28,074,113.90 = 5,762,228.78 : x
  2. Step 2: Convert to fraction form
    18,715,497.92/28,074,113.90 = 5,762,228.78/x
  3. Step 3: Cross multiply
    18,715,497.92x = 28,074,113.90 × 5,762,228.78
  4. Step 4: Simplify right side
    18,715,497.92x = 161,769,467,087,578.03
  5. Step 5: Solve for x
    x = 161,769,467,087,578.03/18,715,497.92
  6. Step 6: Final answer
    x = 8,643,610.11

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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.