Home / 13,623,915.42-20,435,873.12-9,351,129.78

Finding the Fourth Proportional to 13,623,915.42, 20,435,873.12 and 9,351,129.78

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Solution

The fourth proportional to 13,623,915.42, 20,435,873.12 and 9,351,129.78 is: 14,026,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623,915.42 : 20,435,873.12 = 9,351,129.78 : x
  2. Step 2: Convert to fraction form
    13,623,915.42/20,435,873.12 = 9,351,129.78/x
  3. Step 3: Cross multiply
    13,623,915.42x = 20,435,873.12 × 9,351,129.78
  4. Step 4: Simplify right side
    13,623,915.42x = 191,098,501,712,733.50
  5. Step 5: Solve for x
    x = 191,098,501,712,733.50/13,623,915.42
  6. Step 6: Final answer
    x = 14,026,694.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.