Home / 20,883,521.91-31,356,033.18-11,679,527.11

Finding the Fourth Proportional to 20,883,521.91, 31,356,033.18 and 11,679,527.11

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Solution

The fourth proportional to 20,883,521.91, 31,356,033.18 and 11,679,527.11 is: 17,536,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,521.91 : 31,356,033.18 = 11,679,527.11 : x
  2. Step 2: Convert to fraction form
    20,883,521.91/31,356,033.18 = 11,679,527.11/x
  3. Step 3: Cross multiply
    20,883,521.91x = 31,356,033.18 × 11,679,527.11
  4. Step 4: Simplify right side
    20,883,521.91x = 366,223,639,587,869.50
  5. Step 5: Solve for x
    x = 366,223,639,587,869.50/20,883,521.91
  6. Step 6: Final answer
    x = 17,536,488.39

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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.