Home / 20,180,949.14-30,253,419.02-7,398,468.74

Finding the Fourth Proportional to 20,180,949.14, 30,253,419.02 and 7,398,468.74

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Solution

The fourth proportional to 20,180,949.14, 30,253,419.02 and 7,398,468.74 is: 11,091,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,949.14 : 30,253,419.02 = 7,398,468.74 : x
  2. Step 2: Convert to fraction form
    20,180,949.14/30,253,419.02 = 7,398,468.74/x
  3. Step 3: Cross multiply
    20,180,949.14x = 30,253,419.02 × 7,398,468.74
  4. Step 4: Simplify right side
    20,180,949.14x = 223,828,974,897,591.44
  5. Step 5: Solve for x
    x = 223,828,974,897,591.44/20,180,949.14
  6. Step 6: Final answer
    x = 11,091,102.47

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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.