Home / 15,731,476.16-21,711,506.29-8,857,297.76

Finding the Fourth Proportional to 15,731,476.16, 21,711,506.29 and 8,857,297.76

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Solution

The fourth proportional to 15,731,476.16, 21,711,506.29 and 8,857,297.76 is: 12,224,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731,476.16 : 21,711,506.29 = 8,857,297.76 : x
  2. Step 2: Convert to fraction form
    15,731,476.16/21,711,506.29 = 8,857,297.76/x
  3. Step 3: Cross multiply
    15,731,476.16x = 21,711,506.29 × 8,857,297.76
  4. Step 4: Simplify right side
    15,731,476.16x = 192,305,275,897,942.16
  5. Step 5: Solve for x
    x = 192,305,275,897,942.16/15,731,476.16
  6. Step 6: Final answer
    x = 12,224,235.92

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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.