Home / 15,029,955.50-20,741,390.43-8,154,468.14

Finding the Fourth Proportional to 15,029,955.50, 20,741,390.43 and 8,154,468.14

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Solution

The fourth proportional to 15,029,955.50, 20,741,390.43 and 8,154,468.14 is: 11,253,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029,955.50 : 20,741,390.43 = 8,154,468.14 : x
  2. Step 2: Convert to fraction form
    15,029,955.50/20,741,390.43 = 8,154,468.14/x
  3. Step 3: Cross multiply
    15,029,955.50x = 20,741,390.43 × 8,154,468.14
  4. Step 4: Simplify right side
    15,029,955.50x = 169,135,007,440,735.91
  5. Step 5: Solve for x
    x = 169,135,007,440,735.91/15,029,955.50
  6. Step 6: Final answer
    x = 11,253,194.16

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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.