Home / 7,656,920.40-11,485,380.60-3,110,147.40

Finding the Fourth Proportional to 7,656,920.40, 11,485,380.60 and 3,110,147.40

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Solution

The fourth proportional to 7,656,920.40, 11,485,380.60 and 3,110,147.40 is: 4,665,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656,920.40 : 11,485,380.60 = 3,110,147.40 : x
  2. Step 2: Convert to fraction form
    7,656,920.40/11,485,380.60 = 3,110,147.40/x
  3. Step 3: Cross multiply
    7,656,920.40x = 11,485,380.60 × 3,110,147.40
  4. Step 4: Simplify right side
    7,656,920.40x = 35,721,226,611,100.44
  5. Step 5: Solve for x
    x = 35,721,226,611,100.44/7,656,920.40
  6. Step 6: Final answer
    x = 4,665,221.10

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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.