Home / 13,318,296.30-19,955,793.15-12,042,837.90

Finding the Fourth Proportional to 13,318,296.30, 19,955,793.15 and 12,042,837.90

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Solution

The fourth proportional to 13,318,296.30, 19,955,793.15 and 12,042,837.90 is: 18,044,679.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318,296.30 : 19,955,793.15 = 12,042,837.90 : x
  2. Step 2: Convert to fraction form
    13,318,296.30/19,955,793.15 = 12,042,837.90/x
  3. Step 3: Cross multiply
    13,318,296.30x = 19,955,793.15 × 12,042,837.90
  4. Step 4: Simplify right side
    13,318,296.30x = 240,324,382,071,380.38
  5. Step 5: Solve for x
    x = 240,324,382,071,380.38/13,318,296.30
  6. Step 6: Final answer
    x = 18,044,679.04

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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.