Home / 7,459,997.60-11,189,996.40-3,913,680.80

Finding the Fourth Proportional to 7,459,997.60, 11,189,996.40 and 3,913,680.80

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Solution

The fourth proportional to 7,459,997.60, 11,189,996.40 and 3,913,680.80 is: 5,870,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459,997.60 : 11,189,996.40 = 3,913,680.80 : x
  2. Step 2: Convert to fraction form
    7,459,997.60/11,189,996.40 = 3,913,680.80/x
  3. Step 3: Cross multiply
    7,459,997.60x = 11,189,996.40 × 3,913,680.80
  4. Step 4: Simplify right side
    7,459,997.60x = 43,794,074,062,749.12
  5. Step 5: Solve for x
    x = 43,794,074,062,749.12/7,459,997.60
  6. Step 6: Final answer
    x = 5,870,521.20

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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.