Home / 15,000,445.76-20,699,540.28-8,805,743.96

Finding the Fourth Proportional to 15,000,445.76, 20,699,540.28 and 8,805,743.96

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Solution

The fourth proportional to 15,000,445.76, 20,699,540.28 and 8,805,743.96 is: 12,151,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,445.76 : 20,699,540.28 = 8,805,743.96 : x
  2. Step 2: Convert to fraction form
    15,000,445.76/20,699,540.28 = 8,805,743.96/x
  3. Step 3: Cross multiply
    15,000,445.76x = 20,699,540.28 × 8,805,743.96
  4. Step 4: Simplify right side
    15,000,445.76x = 182,274,851,795,386.75
  5. Step 5: Solve for x
    x = 182,274,851,795,386.75/15,000,445.76
  6. Step 6: Final answer
    x = 12,151,295.68

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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.