Home / 7,180,659.60-10,778,862.60-4,488,025.20

Finding the Fourth Proportional to 7,180,659.60, 10,778,862.60 and 4,488,025.20

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Solution

The fourth proportional to 7,180,659.60, 10,778,862.60 and 4,488,025.20 is: 6,736,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,659.60 : 10,778,862.60 = 4,488,025.20 : x
  2. Step 2: Convert to fraction form
    7,180,659.60/10,778,862.60 = 4,488,025.20/x
  3. Step 3: Cross multiply
    7,180,659.60x = 10,778,862.60 × 4,488,025.20
  4. Step 4: Simplify right side
    7,180,659.60x = 48,375,806,976,137.52
  5. Step 5: Solve for x
    x = 48,375,806,976,137.52/7,180,659.60
  6. Step 6: Final answer
    x = 6,736,958.67

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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.