Home / 15,418,092.88-21,276,251.40-8,448,729.04

Finding the Fourth Proportional to 15,418,092.88, 21,276,251.40 and 8,448,729.04

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Solution

The fourth proportional to 15,418,092.88, 21,276,251.40 and 8,448,729.04 is: 11,658,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418,092.88 : 21,276,251.40 = 8,448,729.04 : x
  2. Step 2: Convert to fraction form
    15,418,092.88/21,276,251.40 = 8,448,729.04/x
  3. Step 3: Cross multiply
    15,418,092.88x = 21,276,251.40 × 8,448,729.04
  4. Step 4: Simplify right side
    15,418,092.88x = 179,757,283,065,520.62
  5. Step 5: Solve for x
    x = 179,757,283,065,520.62/15,418,092.88
  6. Step 6: Final answer
    x = 11,658,853.30

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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.