Home / 31,487,908.80-47,231,863.20-15,562,660.80

Finding the Fourth Proportional to 31,487,908.80, 47,231,863.20 and 15,562,660.80

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Solution

The fourth proportional to 31,487,908.80, 47,231,863.20 and 15,562,660.80 is: 23,343,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,487,908.80 : 47,231,863.20 = 15,562,660.80 : x
  2. Step 2: Convert to fraction form
    31,487,908.80/47,231,863.20 = 15,562,660.80/x
  3. Step 3: Cross multiply
    31,487,908.80x = 47,231,863.20 × 15,562,660.80
  4. Step 4: Simplify right side
    31,487,908.80x = 735,053,465,933,602.62
  5. Step 5: Solve for x
    x = 735,053,465,933,602.62/31,487,908.80
  6. Step 6: Final answer
    x = 23,343,991.20

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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.