Home / 13,670,891.92-20,494,269.92-5,157,207.12

Finding the Fourth Proportional to 13,670,891.92, 20,494,269.92 and 5,157,207.12

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Solution

The fourth proportional to 13,670,891.92, 20,494,269.92 and 5,157,207.12 is: 7,731,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670,891.92 : 20,494,269.92 = 5,157,207.12 : x
  2. Step 2: Convert to fraction form
    13,670,891.92/20,494,269.92 = 5,157,207.12/x
  3. Step 3: Cross multiply
    13,670,891.92x = 20,494,269.92 × 5,157,207.12
  4. Step 4: Simplify right side
    13,670,891.92x = 105,693,194,750,625.84
  5. Step 5: Solve for x
    x = 105,693,194,750,625.84/13,670,891.92
  6. Step 6: Final answer
    x = 7,731,258.16

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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.