Home / 54,361,515.24-81,542,440.54-13,420,959.10

Finding the Fourth Proportional to 54,361,515.24, 81,542,440.54 and 13,420,959.10

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Solution

The fourth proportional to 54,361,515.24, 81,542,440.54 and 13,420,959.10 is: 20,131,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,361,515.24 : 81,542,440.54 = 13,420,959.10 : x
  2. Step 2: Convert to fraction form
    54,361,515.24/81,542,440.54 = 13,420,959.10/x
  3. Step 3: Cross multiply
    54,361,515.24x = 81,542,440.54 × 13,420,959.10
  4. Step 4: Simplify right side
    54,361,515.24x = 1,094,377,759,401,522
  5. Step 5: Solve for x
    x = 1,094,377,759,401,522/54,361,515.24
  6. Step 6: Final answer
    x = 20,131,480.05

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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.