Home / 31,589,211-47,377,824.12-15,398,879.16

Finding the Fourth Proportional to 31,589,211, 47,377,824.12 and 15,398,879.16

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Solution

The fourth proportional to 31,589,211, 47,377,824.12 and 15,398,879.16 is: 23,095,397.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589,211 : 47,377,824.12 = 15,398,879.16 : x
  2. Step 2: Convert to fraction form
    31,589,211/47,377,824.12 = 15,398,879.16/x
  3. Step 3: Cross multiply
    31,589,211x = 47,377,824.12 × 15,398,879.16
  4. Step 4: Simplify right side
    31,589,211x = 729,565,388,487,613.25
  5. Step 5: Solve for x
    x = 729,565,388,487,613.25/31,589,211
  6. Step 6: Final answer
    x = 23,095,397.62

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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.