Home / 16,786,862.20-25,180,293.30-15,511,403.80

Finding the Fourth Proportional to 16,786,862.20, 25,180,293.30 and 15,511,403.80

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Solution

The fourth proportional to 16,786,862.20, 25,180,293.30 and 15,511,403.80 is: 23,267,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786,862.20 : 25,180,293.30 = 15,511,403.80 : x
  2. Step 2: Convert to fraction form
    16,786,862.20/25,180,293.30 = 15,511,403.80/x
  3. Step 3: Cross multiply
    16,786,862.20x = 25,180,293.30 × 15,511,403.80
  4. Step 4: Simplify right side
    16,786,862.20x = 390,581,697,178,734.56
  5. Step 5: Solve for x
    x = 390,581,697,178,734.56/16,786,862.20
  6. Step 6: Final answer
    x = 23,267,105.70

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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.