Home / 15,666,747.70-23,500,121.55-12,265,525.30

Finding the Fourth Proportional to 15,666,747.70, 23,500,121.55 and 12,265,525.30

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Solution

The fourth proportional to 15,666,747.70, 23,500,121.55 and 12,265,525.30 is: 18,398,287.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666,747.70 : 23,500,121.55 = 12,265,525.30 : x
  2. Step 2: Convert to fraction form
    15,666,747.70/23,500,121.55 = 12,265,525.30/x
  3. Step 3: Cross multiply
    15,666,747.70x = 23,500,121.55 × 12,265,525.30
  4. Step 4: Simplify right side
    15,666,747.70x = 288,241,335,424,600.25
  5. Step 5: Solve for x
    x = 288,241,335,424,600.25/15,666,747.70
  6. Step 6: Final answer
    x = 18,398,287.95

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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.