Home / 29,313,643.20-43,949,469.60-12,265,540.80

Finding the Fourth Proportional to 29,313,643.20, 43,949,469.60 and 12,265,540.80

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Solution

The fourth proportional to 29,313,643.20, 43,949,469.60 and 12,265,540.80 is: 18,389,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313,643.20 : 43,949,469.60 = 12,265,540.80 : x
  2. Step 2: Convert to fraction form
    29,313,643.20/43,949,469.60 = 12,265,540.80/x
  3. Step 3: Cross multiply
    29,313,643.20x = 43,949,469.60 × 12,265,540.80
  4. Step 4: Simplify right side
    29,313,643.20x = 539,064,012,517,159.75
  5. Step 5: Solve for x
    x = 539,064,012,517,159.75/29,313,643.20
  6. Step 6: Final answer
    x = 18,389,526.30

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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.