Home / 16,786,865.20-25,180,297.80-15,511,406.80

Finding the Fourth Proportional to 16,786,865.20, 25,180,297.80 and 15,511,406.80

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Solution

The fourth proportional to 16,786,865.20, 25,180,297.80 and 15,511,406.80 is: 23,267,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786,865.20 : 25,180,297.80 = 15,511,406.80 : x
  2. Step 2: Convert to fraction form
    16,786,865.20/25,180,297.80 = 15,511,406.80/x
  3. Step 3: Cross multiply
    16,786,865.20x = 25,180,297.80 × 15,511,406.80
  4. Step 4: Simplify right side
    16,786,865.20x = 390,581,842,520,945.06
  5. Step 5: Solve for x
    x = 390,581,842,520,945.06/16,786,865.20
  6. Step 6: Final answer
    x = 23,267,110.20

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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.