Home / 20,258,311.50-27,959,132.22-11,554,488.90

Finding the Fourth Proportional to 20,258,311.50, 27,959,132.22 and 11,554,488.90

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Solution

The fourth proportional to 20,258,311.50, 27,959,132.22 and 11,554,488.90 is: 15,946,713.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258,311.50 : 27,959,132.22 = 11,554,488.90 : x
  2. Step 2: Convert to fraction form
    20,258,311.50/27,959,132.22 = 11,554,488.90/x
  3. Step 3: Cross multiply
    20,258,311.50x = 27,959,132.22 × 11,554,488.90
  4. Step 4: Simplify right side
    20,258,311.50x = 323,053,482,889,622.38
  5. Step 5: Solve for x
    x = 323,053,482,889,622.38/20,258,311.50
  6. Step 6: Final answer
    x = 15,946,713.17

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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.