Home / 18,619,761.53-27,930,691.35-5,666,333.47

Finding the Fourth Proportional to 18,619,761.53, 27,930,691.35 and 5,666,333.47

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Solution

The fourth proportional to 18,619,761.53, 27,930,691.35 and 5,666,333.47 is: 8,499,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,619,761.53 : 27,930,691.35 = 5,666,333.47 : x
  2. Step 2: Convert to fraction form
    18,619,761.53/27,930,691.35 = 5,666,333.47/x
  3. Step 3: Cross multiply
    18,619,761.53x = 27,930,691.35 × 5,666,333.47
  4. Step 4: Simplify right side
    18,619,761.53x = 158,264,611,166,917.78
  5. Step 5: Solve for x
    x = 158,264,611,166,917.78/18,619,761.53
  6. Step 6: Final answer
    x = 8,499,819.45

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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.