Home / 13,468,959.40-20,203,439.10-8,083,690.60

Finding the Fourth Proportional to 13,468,959.40, 20,203,439.10 and 8,083,690.60

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Solution

The fourth proportional to 13,468,959.40, 20,203,439.10 and 8,083,690.60 is: 12,125,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,959.40 : 20,203,439.10 = 8,083,690.60 : x
  2. Step 2: Convert to fraction form
    13,468,959.40/20,203,439.10 = 8,083,690.60/x
  3. Step 3: Cross multiply
    13,468,959.40x = 20,203,439.10 × 8,083,690.60
  4. Step 4: Simplify right side
    13,468,959.40x = 163,318,350,740,342.47
  5. Step 5: Solve for x
    x = 163,318,350,740,342.47/13,468,959.40
  6. Step 6: Final answer
    x = 12,125,535.90

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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.