Home / 19,542,458.40-29,313,687.60-13,495,840.80

Finding the Fourth Proportional to 19,542,458.40, 29,313,687.60 and 13,495,840.80

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Solution

The fourth proportional to 19,542,458.40, 29,313,687.60 and 13,495,840.80 is: 20,243,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542,458.40 : 29,313,687.60 = 13,495,840.80 : x
  2. Step 2: Convert to fraction form
    19,542,458.40/29,313,687.60 = 13,495,840.80/x
  3. Step 3: Cross multiply
    19,542,458.40x = 29,313,687.60 × 13,495,840.80
  4. Step 4: Simplify right side
    19,542,458.40x = 395,612,861,110,534.12
  5. Step 5: Solve for x
    x = 395,612,861,110,534.12/19,542,458.40
  6. Step 6: Final answer
    x = 20,243,761.20

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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.