Home / 18,260,087.72-25,194,594.34-10,813,989.80

Finding the Fourth Proportional to 18,260,087.72, 25,194,594.34 and 10,813,989.80

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Solution

The fourth proportional to 18,260,087.72, 25,194,594.34 and 10,813,989.80 is: 14,920,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260,087.72 : 25,194,594.34 = 10,813,989.80 : x
  2. Step 2: Convert to fraction form
    18,260,087.72/25,194,594.34 = 10,813,989.80/x
  3. Step 3: Cross multiply
    18,260,087.72x = 25,194,594.34 × 10,813,989.80
  4. Step 4: Simplify right side
    18,260,087.72x = 272,454,086,207,897.75
  5. Step 5: Solve for x
    x = 272,454,086,207,897.75/18,260,087.72
  6. Step 6: Final answer
    x = 14,920,743.56

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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.