Home / 14,812,471.11-20,442,905.50-8,287,753.44

Finding the Fourth Proportional to 14,812,471.11, 20,442,905.50 and 8,287,753.44

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Solution

The fourth proportional to 14,812,471.11, 20,442,905.50 and 8,287,753.44 is: 11,438,048.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812,471.11 : 20,442,905.50 = 8,287,753.44 : x
  2. Step 2: Convert to fraction form
    14,812,471.11/20,442,905.50 = 8,287,753.44/x
  3. Step 3: Cross multiply
    14,812,471.11x = 20,442,905.50 × 8,287,753.44
  4. Step 4: Simplify right side
    14,812,471.11x = 169,425,760,452,700.97
  5. Step 5: Solve for x
    x = 169,425,760,452,700.97/14,812,471.11
  6. Step 6: Final answer
    x = 11,438,048.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.