Home / 31,729,703.64-47,598,792.30-12,555,976.68

Finding the Fourth Proportional to 31,729,703.64, 47,598,792.30 and 12,555,976.68

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Solution

The fourth proportional to 31,729,703.64, 47,598,792.30 and 12,555,976.68 is: 18,835,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729,703.64 : 47,598,792.30 = 12,555,976.68 : x
  2. Step 2: Convert to fraction form
    31,729,703.64/47,598,792.30 = 12,555,976.68/x
  3. Step 3: Cross multiply
    31,729,703.64x = 47,598,792.30 × 12,555,976.68
  4. Step 4: Simplify right side
    31,729,703.64x = 597,649,326,114,963.50
  5. Step 5: Solve for x
    x = 597,649,326,114,963.50/31,729,703.64
  6. Step 6: Final answer
    x = 18,835,641.61

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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.