Home / 11,665,965.40-17,498,948.10-6,543,136.60

Finding the Fourth Proportional to 11,665,965.40, 17,498,948.10 and 6,543,136.60

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Solution

The fourth proportional to 11,665,965.40, 17,498,948.10 and 6,543,136.60 is: 9,814,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665,965.40 : 17,498,948.10 = 6,543,136.60 : x
  2. Step 2: Convert to fraction form
    11,665,965.40/17,498,948.10 = 6,543,136.60/x
  3. Step 3: Cross multiply
    11,665,965.40x = 17,498,948.10 × 6,543,136.60
  4. Step 4: Simplify right side
    11,665,965.40x = 114,498,007,774,610.47
  5. Step 5: Solve for x
    x = 114,498,007,774,610.47/11,665,965.40
  6. Step 6: Final answer
    x = 9,814,704.90

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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.