Home / 12,919,882.33-17,829,841.46-7,414,264.29

Finding the Fourth Proportional to 12,919,882.33, 17,829,841.46 and 7,414,264.29

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Solution

The fourth proportional to 12,919,882.33, 17,829,841.46 and 7,414,264.29 is: 10,231,916.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919,882.33 : 17,829,841.46 = 7,414,264.29 : x
  2. Step 2: Convert to fraction form
    12,919,882.33/17,829,841.46 = 7,414,264.29/x
  3. Step 3: Cross multiply
    12,919,882.33x = 17,829,841.46 × 7,414,264.29
  4. Step 4: Simplify right side
    12,919,882.33x = 132,195,156,833,239.47
  5. Step 5: Solve for x
    x = 132,195,156,833,239.47/12,919,882.33
  6. Step 6: Final answer
    x = 10,231,916.47

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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.