Home / 31,243,820.20-43,115,990.33-17,493,276.40

Finding the Fourth Proportional to 31,243,820.20, 43,115,990.33 and 17,493,276.40

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Solution

The fourth proportional to 31,243,820.20, 43,115,990.33 and 17,493,276.40 is: 24,140,451.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243,820.20 : 43,115,990.33 = 17,493,276.40 : x
  2. Step 2: Convert to fraction form
    31,243,820.20/43,115,990.33 = 17,493,276.40/x
  3. Step 3: Cross multiply
    31,243,820.20x = 43,115,990.33 × 17,493,276.40
  4. Step 4: Simplify right side
    31,243,820.20x = 754,239,936,038,360.50
  5. Step 5: Solve for x
    x = 754,239,936,038,360.50/31,243,820.20
  6. Step 6: Final answer
    x = 24,140,451.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.