Home / 29,478,742.89-40,680,120.29-16,067,523.75

Finding the Fourth Proportional to 29,478,742.89, 40,680,120.29 and 16,067,523.75

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Solution

The fourth proportional to 29,478,742.89, 40,680,120.29 and 16,067,523.75 is: 22,172,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,478,742.89 : 40,680,120.29 = 16,067,523.75 : x
  2. Step 2: Convert to fraction form
    29,478,742.89/40,680,120.29 = 16,067,523.75/x
  3. Step 3: Cross multiply
    29,478,742.89x = 40,680,120.29 × 16,067,523.75
  4. Step 4: Simplify right side
    29,478,742.89x = 653,628,798,912,431.88
  5. Step 5: Solve for x
    x = 653,628,798,912,431.88/29,478,742.89
  6. Step 6: Final answer
    x = 22,172,885.78

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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.