Home / 31,948,345.85-47,873,754.26-18,968,937.41

Finding the Fourth Proportional to 31,948,345.85, 47,873,754.26 and 18,968,937.41

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Solution

The fourth proportional to 31,948,345.85, 47,873,754.26 and 18,968,937.41 is: 28,424,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,948,345.85 : 47,873,754.26 = 18,968,937.41 : x
  2. Step 2: Convert to fraction form
    31,948,345.85/47,873,754.26 = 18,968,937.41/x
  3. Step 3: Cross multiply
    31,948,345.85x = 47,873,754.26 × 18,968,937.41
  4. Step 4: Simplify right side
    31,948,345.85x = 908,114,248,044,816.25
  5. Step 5: Solve for x
    x = 908,114,248,044,816.25/31,948,345.85
  6. Step 6: Final answer
    x = 28,424,452.78

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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.