Home / 12,754,154.49-17,595,177.60-8,105,448.15

Finding the Fourth Proportional to 12,754,154.49, 17,595,177.60 and 8,105,448.15

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Solution

The fourth proportional to 12,754,154.49, 17,595,177.60 and 8,105,448.15 is: 11,181,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,154.49 : 17,595,177.60 = 8,105,448.15 : x
  2. Step 2: Convert to fraction form
    12,754,154.49/17,595,177.60 = 8,105,448.15/x
  3. Step 3: Cross multiply
    12,754,154.49x = 17,595,177.60 × 8,105,448.15
  4. Step 4: Simplify right side
    12,754,154.49x = 142,616,799,726,841.47
  5. Step 5: Solve for x
    x = 142,616,799,726,841.47/12,754,154.49
  6. Step 6: Final answer
    x = 11,181,987.79

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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.