Home / 21,063,176.10-31,594,764.15-10,274,923.80

Finding the Fourth Proportional to 21,063,176.10, 31,594,764.15 and 10,274,923.80

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Solution

The fourth proportional to 21,063,176.10, 31,594,764.15 and 10,274,923.80 is: 15,412,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,176.10 : 31,594,764.15 = 10,274,923.80 : x
  2. Step 2: Convert to fraction form
    21,063,176.10/31,594,764.15 = 10,274,923.80/x
  3. Step 3: Cross multiply
    21,063,176.10x = 31,594,764.15 × 10,274,923.80
  4. Step 4: Simplify right side
    21,063,176.10x = 324,633,794,120,221.75
  5. Step 5: Solve for x
    x = 324,633,794,120,221.75/21,063,176.10
  6. Step 6: Final answer
    x = 15,412,385.70

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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.