Home / 15,157,433.34-20,917,240.20-8,188,109.64

Finding the Fourth Proportional to 15,157,433.34, 20,917,240.20 and 8,188,109.64

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Solution

The fourth proportional to 15,157,433.34, 20,917,240.20 and 8,188,109.64 is: 11,299,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157,433.34 : 20,917,240.20 = 8,188,109.64 : x
  2. Step 2: Convert to fraction form
    15,157,433.34/20,917,240.20 = 8,188,109.64/x
  3. Step 3: Cross multiply
    15,157,433.34x = 20,917,240.20 × 8,188,109.64
  4. Step 4: Simplify right side
    15,157,433.34x = 171,272,656,123,815.50
  5. Step 5: Solve for x
    x = 171,272,656,123,815.50/15,157,433.34
  6. Step 6: Final answer
    x = 11,299,581.68

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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.