Home / 8,065,680.40-12,098,520.60-6,970,819.60

Finding the Fourth Proportional to 8,065,680.40, 12,098,520.60 and 6,970,819.60

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Solution

The fourth proportional to 8,065,680.40, 12,098,520.60 and 6,970,819.60 is: 10,456,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,680.40 : 12,098,520.60 = 6,970,819.60 : x
  2. Step 2: Convert to fraction form
    8,065,680.40/12,098,520.60 = 6,970,819.60/x
  3. Step 3: Cross multiply
    8,065,680.40x = 12,098,520.60 × 6,970,819.60
  4. Step 4: Simplify right side
    8,065,680.40x = 84,336,604,529,483.75
  5. Step 5: Solve for x
    x = 84,336,604,529,483.75/8,065,680.40
  6. Step 6: Final answer
    x = 10,456,229.40

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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.