Home / 13,227,843.65-19,834,042.85-5,131,358.39

Finding the Fourth Proportional to 13,227,843.65, 19,834,042.85 and 5,131,358.39

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Solution

The fourth proportional to 13,227,843.65, 19,834,042.85 and 5,131,358.39 is: 7,694,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227,843.65 : 19,834,042.85 = 5,131,358.39 : x
  2. Step 2: Convert to fraction form
    13,227,843.65/19,834,042.85 = 5,131,358.39/x
  3. Step 3: Cross multiply
    13,227,843.65x = 19,834,042.85 × 5,131,358.39
  4. Step 4: Simplify right side
    13,227,843.65x = 101,775,582,061,140
  5. Step 5: Solve for x
    x = 101,775,582,061,140/13,227,843.65
  6. Step 6: Final answer
    x = 7,694,041.81

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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.