Home / 18,887,385.48-28,336,860.14-9,671,882.89

Finding the Fourth Proportional to 18,887,385.48, 28,336,860.14 and 9,671,882.89

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Solution

The fourth proportional to 18,887,385.48, 28,336,860.14 and 9,671,882.89 is: 14,510,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,385.48 : 28,336,860.14 = 9,671,882.89 : x
  2. Step 2: Convert to fraction form
    18,887,385.48/28,336,860.14 = 9,671,882.89/x
  3. Step 3: Cross multiply
    18,887,385.48x = 28,336,860.14 × 9,671,882.89
  4. Step 4: Simplify right side
    18,887,385.48x = 274,070,792,744,389.03
  5. Step 5: Solve for x
    x = 274,070,792,744,389.03/18,887,385.48
  6. Step 6: Final answer
    x = 14,510,785.15

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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.