Home / 7,380,970.80-11,071,456.20-5,887,978.80

Finding the Fourth Proportional to 7,380,970.80, 11,071,456.20 and 5,887,978.80

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Solution

The fourth proportional to 7,380,970.80, 11,071,456.20 and 5,887,978.80 is: 8,831,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,970.80 : 11,071,456.20 = 5,887,978.80 : x
  2. Step 2: Convert to fraction form
    7,380,970.80/11,071,456.20 = 5,887,978.80/x
  3. Step 3: Cross multiply
    7,380,970.80x = 11,071,456.20 × 5,887,978.80
  4. Step 4: Simplify right side
    7,380,970.80x = 65,188,499,390,728.55
  5. Step 5: Solve for x
    x = 65,188,499,390,728.55/7,380,970.80
  6. Step 6: Final answer
    x = 8,831,968.20

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Double scale
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Similar ratio
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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.