Home / 15,110,189.16-20,851,452.54-8,234,523.60

Finding the Fourth Proportional to 15,110,189.16, 20,851,452.54 and 8,234,523.60

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Solution

The fourth proportional to 15,110,189.16, 20,851,452.54 and 8,234,523.60 is: 11,363,310.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110,189.16 : 20,851,452.54 = 8,234,523.60 : x
  2. Step 2: Convert to fraction form
    15,110,189.16/20,851,452.54 = 8,234,523.60/x
  3. Step 3: Cross multiply
    15,110,189.16x = 20,851,452.54 × 8,234,523.60
  4. Step 4: Simplify right side
    15,110,189.16x = 171,701,778,034,909.94
  5. Step 5: Solve for x
    x = 171,701,778,034,909.94/15,110,189.16
  6. Step 6: Final answer
    x = 11,363,310.96

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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.