Home / 18,700,112.88-28,067,412.16-9,484,553.16

Finding the Fourth Proportional to 18,700,112.88, 28,067,412.16 and 9,484,553.16

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Solution

The fourth proportional to 18,700,112.88, 28,067,412.16 and 9,484,553.16 is: 14,235,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700,112.88 : 28,067,412.16 = 9,484,553.16 : x
  2. Step 2: Convert to fraction form
    18,700,112.88/28,067,412.16 = 9,484,553.16/x
  3. Step 3: Cross multiply
    18,700,112.88x = 28,067,412.16 × 9,484,553.16
  4. Step 4: Simplify right side
    18,700,112.88x = 266,206,862,695,150.44
  5. Step 5: Solve for x
    x = 266,206,862,695,150.44/18,700,112.88
  6. Step 6: Final answer
    x = 14,235,575.18

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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.