Home / 40,321,931.70-60,482,897.55-28,984,523.70

Finding the Fourth Proportional to 40,321,931.70, 60,482,897.55 and 28,984,523.70

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Solution

The fourth proportional to 40,321,931.70, 60,482,897.55 and 28,984,523.70 is: 43,476,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321,931.70 : 60,482,897.55 = 28,984,523.70 : x
  2. Step 2: Convert to fraction form
    40,321,931.70/60,482,897.55 = 28,984,523.70/x
  3. Step 3: Cross multiply
    40,321,931.70x = 60,482,897.55 × 28,984,523.70
  4. Step 4: Simplify right side
    40,321,931.70x = 1,753,067,977,482,646.75
  5. Step 5: Solve for x
    x = 1,753,067,977,482,646.75/40,321,931.70
  6. Step 6: Final answer
    x = 43,476,785.55

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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.