Home / 18,456,538.10-27,684,807.15-9,847,193.90

Finding the Fourth Proportional to 18,456,538.10, 27,684,807.15 and 9,847,193.90

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Solution

The fourth proportional to 18,456,538.10, 27,684,807.15 and 9,847,193.90 is: 14,770,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,538.10 : 27,684,807.15 = 9,847,193.90 : x
  2. Step 2: Convert to fraction form
    18,456,538.10/27,684,807.15 = 9,847,193.90/x
  3. Step 3: Cross multiply
    18,456,538.10x = 27,684,807.15 × 9,847,193.90
  4. Step 4: Simplify right side
    18,456,538.10x = 272,617,664,090,156.38
  5. Step 5: Solve for x
    x = 272,617,664,090,156.38/18,456,538.10
  6. Step 6: Final answer
    x = 14,770,790.85

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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.