Home / 18,700,108.86-28,067,406.15-9,484,549.14

Finding the Fourth Proportional to 18,700,108.86, 28,067,406.15 and 9,484,549.14

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Solution

The fourth proportional to 18,700,108.86, 28,067,406.15 and 9,484,549.14 is: 14,235,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700,108.86 : 28,067,406.15 = 9,484,549.14 : x
  2. Step 2: Convert to fraction form
    18,700,108.86/28,067,406.15 = 9,484,549.14/x
  3. Step 3: Cross multiply
    18,700,108.86x = 28,067,406.15 × 9,484,549.14
  4. Step 4: Simplify right side
    18,700,108.86x = 266,206,692,862,013.22
  5. Step 5: Solve for x
    x = 266,206,692,862,013.22/18,700,108.86
  6. Step 6: Final answer
    x = 14,235,569.15

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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.