Home / 15,327,253.89-21,151,157.81-8,451,734.13

Finding the Fourth Proportional to 15,327,253.89, 21,151,157.81 and 8,451,734.13

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Solution

The fourth proportional to 15,327,253.89, 21,151,157.81 and 8,451,734.13 is: 11,663,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327,253.89 : 21,151,157.81 = 8,451,734.13 : x
  2. Step 2: Convert to fraction form
    15,327,253.89/21,151,157.81 = 8,451,734.13/x
  3. Step 3: Cross multiply
    15,327,253.89x = 21,151,157.81 × 8,451,734.13
  4. Step 4: Simplify right side
    15,327,253.89x = 178,763,962,309,534.41
  5. Step 5: Solve for x
    x = 178,763,962,309,534.41/15,327,253.89
  6. Step 6: Final answer
    x = 11,663,143.55

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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.