Home / 28,546,841.50-39,394,684.56-15,494,105.19

Finding the Fourth Proportional to 28,546,841.50, 39,394,684.56 and 15,494,105.19

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Solution

The fourth proportional to 28,546,841.50, 39,394,684.56 and 15,494,105.19 is: 21,381,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,841.50 : 39,394,684.56 = 15,494,105.19 : x
  2. Step 2: Convert to fraction form
    28,546,841.50/39,394,684.56 = 15,494,105.19/x
  3. Step 3: Cross multiply
    28,546,841.50x = 39,394,684.56 × 15,494,105.19
  4. Step 4: Simplify right side
    28,546,841.50x = 610,385,386,499,508.88
  5. Step 5: Solve for x
    x = 610,385,386,499,508.88/28,546,841.50
  6. Step 6: Final answer
    x = 21,381,888.66

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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.