Home / 31,948,345.10-47,873,753.13-18,968,936.66

Finding the Fourth Proportional to 31,948,345.10, 47,873,753.13 and 18,968,936.66

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Solution

The fourth proportional to 31,948,345.10, 47,873,753.13 and 18,968,936.66 is: 28,424,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,948,345.10 : 47,873,753.13 = 18,968,936.66 : x
  2. Step 2: Convert to fraction form
    31,948,345.10/47,873,753.13 = 18,968,936.66/x
  3. Step 3: Cross multiply
    31,948,345.10x = 47,873,753.13 × 18,968,936.66
  4. Step 4: Simplify right side
    31,948,345.10x = 908,114,190,799,446.75
  5. Step 5: Solve for x
    x = 908,114,190,799,446.75/31,948,345.10
  6. Step 6: Final answer
    x = 28,424,451.66

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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.