Home / 7,887,517.60-11,831,665.20-4,108,381.60

Finding the Fourth Proportional to 7,887,517.60, 11,831,665.20 and 4,108,381.60

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Solution

The fourth proportional to 7,887,517.60, 11,831,665.20 and 4,108,381.60 is: 6,162,774.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,517.60 : 11,831,665.20 = 4,108,381.60 : x
  2. Step 2: Convert to fraction form
    7,887,517.60/11,831,665.20 = 4,108,381.60/x
  3. Step 3: Cross multiply
    7,887,517.60x = 11,831,665.20 × 4,108,381.60
  4. Step 4: Simplify right side
    7,887,517.60x = 48,608,995,605,040.32
  5. Step 5: Solve for x
    x = 48,608,995,605,040.32/7,887,517.60
  6. Step 6: Final answer
    x = 6,162,774.91

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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.