Home / 7,380,964.80-11,071,447.20-5,887,972.80

Finding the Fourth Proportional to 7,380,964.80, 11,071,447.20 and 5,887,972.80

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Solution

The fourth proportional to 7,380,964.80, 11,071,447.20 and 5,887,972.80 is: 8,831,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,964.80 : 11,071,447.20 = 5,887,972.80 : x
  2. Step 2: Convert to fraction form
    7,380,964.80/11,071,447.20 = 5,887,972.80/x
  3. Step 3: Cross multiply
    7,380,964.80x = 11,071,447.20 × 5,887,972.80
  4. Step 4: Simplify right side
    7,380,964.80x = 65,188,379,970,236.16
  5. Step 5: Solve for x
    x = 65,188,379,970,236.16/7,380,964.80
  6. Step 6: Final answer
    x = 8,831,959.20

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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.