Home / 7,766,820.20-11,650,230.30-5,079,434.60

Finding the Fourth Proportional to 7,766,820.20, 11,650,230.30 and 5,079,434.60

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Solution

The fourth proportional to 7,766,820.20, 11,650,230.30 and 5,079,434.60 is: 7,619,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766,820.20 : 11,650,230.30 = 5,079,434.60 : x
  2. Step 2: Convert to fraction form
    7,766,820.20/11,650,230.30 = 5,079,434.60/x
  3. Step 3: Cross multiply
    7,766,820.20x = 11,650,230.30 × 5,079,434.60
  4. Step 4: Simplify right side
    7,766,820.20x = 59,176,582,883,788.38
  5. Step 5: Solve for x
    x = 59,176,582,883,788.38/7,766,820.20
  6. Step 6: Final answer
    x = 7,619,151.90

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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.