Home / 15,229,282.50-21,016,409.85-8,353,780.97

Finding the Fourth Proportional to 15,229,282.50, 21,016,409.85 and 8,353,780.97

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Solution

The fourth proportional to 15,229,282.50, 21,016,409.85 and 8,353,780.97 is: 11,528,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229,282.50 : 21,016,409.85 = 8,353,780.97 : x
  2. Step 2: Convert to fraction form
    15,229,282.50/21,016,409.85 = 8,353,780.97/x
  3. Step 3: Cross multiply
    15,229,282.50x = 21,016,409.85 × 8,353,780.97
  4. Step 4: Simplify right side
    15,229,282.50x = 175,566,484,557,568.50
  5. Step 5: Solve for x
    x = 175,566,484,557,568.50/15,229,282.50
  6. Step 6: Final answer
    x = 11,528,217.73

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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.