Home / 13,486,542.60-20,229,813.90-5,400,766.20

Finding the Fourth Proportional to 13,486,542.60, 20,229,813.90 and 5,400,766.20

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Solution

The fourth proportional to 13,486,542.60, 20,229,813.90 and 5,400,766.20 is: 8,101,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,542.60 : 20,229,813.90 = 5,400,766.20 : x
  2. Step 2: Convert to fraction form
    13,486,542.60/20,229,813.90 = 5,400,766.20/x
  3. Step 3: Cross multiply
    13,486,542.60x = 20,229,813.90 × 5,400,766.20
  4. Step 4: Simplify right side
    13,486,542.60x = 109,256,495,143,410.17
  5. Step 5: Solve for x
    x = 109,256,495,143,410.17/13,486,542.60
  6. Step 6: Final answer
    x = 8,101,149.30

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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.