Home / 7,427,263.60-11,158,610.10-6,647,816.80

Finding the Fourth Proportional to 7,427,263.60, 11,158,610.10 and 6,647,816.80

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Solution

The fourth proportional to 7,427,263.60, 11,158,610.10 and 6,647,816.80 is: 9,987,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427,263.60 : 11,158,610.10 = 6,647,816.80 : x
  2. Step 2: Convert to fraction form
    7,427,263.60/11,158,610.10 = 6,647,816.80/x
  3. Step 3: Cross multiply
    7,427,263.60x = 11,158,610.10 × 6,647,816.80
  4. Step 4: Simplify right side
    7,427,263.60x = 74,180,395,687,429.67
  5. Step 5: Solve for x
    x = 74,180,395,687,429.67/7,427,263.60
  6. Step 6: Final answer
    x = 9,987,580.85

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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.