Home / 27,808,861.44-38,374,891.65-15,419,458.38

Finding the Fourth Proportional to 27,808,861.44, 38,374,891.65 and 15,419,458.38

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Solution

The fourth proportional to 27,808,861.44, 38,374,891.65 and 15,419,458.38 is: 21,278,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808,861.44 : 38,374,891.65 = 15,419,458.38 : x
  2. Step 2: Convert to fraction form
    27,808,861.44/38,374,891.65 = 15,419,458.38/x
  3. Step 3: Cross multiply
    27,808,861.44x = 38,374,891.65 × 15,419,458.38
  4. Step 4: Simplify right side
    27,808,861.44x = 591,720,044,634,184.50
  5. Step 5: Solve for x
    x = 591,720,044,634,184.50/27,808,861.44
  6. Step 6: Final answer
    x = 21,278,111.15

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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.