Home / 20,103,542.90-30,155,314.35-5,726,423.60

Finding the Fourth Proportional to 20,103,542.90, 30,155,314.35 and 5,726,423.60

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Solution

The fourth proportional to 20,103,542.90, 30,155,314.35 and 5,726,423.60 is: 8,589,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103,542.90 : 30,155,314.35 = 5,726,423.60 : x
  2. Step 2: Convert to fraction form
    20,103,542.90/30,155,314.35 = 5,726,423.60/x
  3. Step 3: Cross multiply
    20,103,542.90x = 30,155,314.35 × 5,726,423.60
  4. Step 4: Simplify right side
    20,103,542.90x = 172,682,103,759,258.66
  5. Step 5: Solve for x
    x = 172,682,103,759,258.66/20,103,542.90
  6. Step 6: Final answer
    x = 8,589,635.40

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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.