Home / 15,882,871.59-21,919,982.54-9,358,535.43

Finding the Fourth Proportional to 15,882,871.59, 21,919,982.54 and 9,358,535.43

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Solution

The fourth proportional to 15,882,871.59, 21,919,982.54 and 9,358,535.43 is: 12,915,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,882,871.59 : 21,919,982.54 = 9,358,535.43 : x
  2. Step 2: Convert to fraction form
    15,882,871.59/21,919,982.54 = 9,358,535.43/x
  3. Step 3: Cross multiply
    15,882,871.59x = 21,919,982.54 × 9,358,535.43
  4. Step 4: Simplify right side
    15,882,871.59x = 205,138,933,178,778.72
  5. Step 5: Solve for x
    x = 205,138,933,178,778.72/15,882,871.59
  6. Step 6: Final answer
    x = 12,915,733.28

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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.