Home / 7,987,146.28-11,022,099.78-4,365,500.20

Finding the Fourth Proportional to 7,987,146.28, 11,022,099.78 and 4,365,500.20

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Solution

The fourth proportional to 7,987,146.28, 11,022,099.78 and 4,365,500.20 is: 6,024,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,146.28 : 11,022,099.78 = 4,365,500.20 : x
  2. Step 2: Convert to fraction form
    7,987,146.28/11,022,099.78 = 4,365,500.20/x
  3. Step 3: Cross multiply
    7,987,146.28x = 11,022,099.78 × 4,365,500.20
  4. Step 4: Simplify right side
    7,987,146.28x = 48,116,978,794,009.95
  5. Step 5: Solve for x
    x = 48,116,978,794,009.95/7,987,146.28
  6. Step 6: Final answer
    x = 6,024,301.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.