Home / 15,753,191.30-23,647,501.65-12,174,821.90

Finding the Fourth Proportional to 15,753,191.30, 23,647,501.65 and 12,174,821.90

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Solution

The fourth proportional to 15,753,191.30, 23,647,501.65 and 12,174,821.90 is: 18,275,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753,191.30 : 23,647,501.65 = 12,174,821.90 : x
  2. Step 2: Convert to fraction form
    15,753,191.30/23,647,501.65 = 12,174,821.90/x
  3. Step 3: Cross multiply
    15,753,191.30x = 23,647,501.65 × 12,174,821.90
  4. Step 4: Simplify right side
    15,753,191.30x = 287,904,120,968,706.12
  5. Step 5: Solve for x
    x = 287,904,120,968,706.12/15,753,191.30
  6. Step 6: Final answer
    x = 18,275,923.62

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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.