Home / 8,059,645.20-12,081,594.60-7,209,339.60

Finding the Fourth Proportional to 8,059,645.20, 12,081,594.60 and 7,209,339.60

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Solution

The fourth proportional to 8,059,645.20, 12,081,594.60 and 7,209,339.60 is: 10,806,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059,645.20 : 12,081,594.60 = 7,209,339.60 : x
  2. Step 2: Convert to fraction form
    8,059,645.20/12,081,594.60 = 7,209,339.60/x
  3. Step 3: Cross multiply
    8,059,645.20x = 12,081,594.60 × 7,209,339.60
  4. Step 4: Simplify right side
    8,059,645.20x = 87,100,318,380,926.16
  5. Step 5: Solve for x
    x = 87,100,318,380,926.16/8,059,645.20
  6. Step 6: Final answer
    x = 10,806,966.84

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1.5x scale

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.