Home / 31,940,529.85-47,891,605.45-12,486,585.30

Finding the Fourth Proportional to 31,940,529.85, 47,891,605.45 and 12,486,585.30

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Solution

The fourth proportional to 31,940,529.85, 47,891,605.45 and 12,486,585.30 is: 18,722,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,940,529.85 : 47,891,605.45 = 12,486,585.30 : x
  2. Step 2: Convert to fraction form
    31,940,529.85/47,891,605.45 = 12,486,585.30/x
  3. Step 3: Cross multiply
    31,940,529.85x = 47,891,605.45 × 12,486,585.30
  4. Step 4: Simplify right side
    31,940,529.85x = 598,002,616,570,212.12
  5. Step 5: Solve for x
    x = 598,002,616,570,212.12/31,940,529.85
  6. Step 6: Final answer
    x = 18,722,376.22

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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.