Home / 8,065,658.40-12,098,487.60-5,672,205.60

Finding the Fourth Proportional to 8,065,658.40, 12,098,487.60 and 5,672,205.60

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Solution

The fourth proportional to 8,065,658.40, 12,098,487.60 and 5,672,205.60 is: 8,508,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,658.40 : 12,098,487.60 = 5,672,205.60 : x
  2. Step 2: Convert to fraction form
    8,065,658.40/12,098,487.60 = 5,672,205.60/x
  3. Step 3: Cross multiply
    8,065,658.40x = 12,098,487.60 × 5,672,205.60
  4. Step 4: Simplify right side
    8,065,658.40x = 68,625,109,116,250.55
  5. Step 5: Solve for x
    x = 68,625,109,116,250.55/8,065,658.40
  6. Step 6: Final answer
    x = 8,508,308.40

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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.