Home / 8,065,138.60-12,083,711.10-6,805,426.60

Finding the Fourth Proportional to 8,065,138.60, 12,083,711.10 and 6,805,426.60

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Solution

The fourth proportional to 8,065,138.60, 12,083,711.10 and 6,805,426.60 is: 10,196,329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,138.60 : 12,083,711.10 = 6,805,426.60 : x
  2. Step 2: Convert to fraction form
    8,065,138.60/12,083,711.10 = 6,805,426.60/x
  3. Step 3: Cross multiply
    8,065,138.60x = 12,083,711.10 × 6,805,426.60
  4. Step 4: Simplify right side
    8,065,138.60x = 82,234,808,946,655.25
  5. Step 5: Solve for x
    x = 82,234,808,946,655.25/8,065,138.60
  6. Step 6: Final answer
    x = 10,196,329.29

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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.