Home / 20,844,042.30-31,294,057.05-13,304,432.70

Finding the Fourth Proportional to 20,844,042.30, 31,294,057.05 and 13,304,432.70

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Solution

The fourth proportional to 20,844,042.30, 31,294,057.05 and 13,304,432.70 is: 19,974,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844,042.30 : 31,294,057.05 = 13,304,432.70 : x
  2. Step 2: Convert to fraction form
    20,844,042.30/31,294,057.05 = 13,304,432.70/x
  3. Step 3: Cross multiply
    20,844,042.30x = 31,294,057.05 × 13,304,432.70
  4. Step 4: Simplify right side
    20,844,042.30x = 416,349,675,931,685.50
  5. Step 5: Solve for x
    x = 416,349,675,931,685.50/20,844,042.30
  6. Step 6: Final answer
    x = 19,974,516.94

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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.