Home / 13,231,716.60-19,866,237.30-8,192,868.60

Finding the Fourth Proportional to 13,231,716.60, 19,866,237.30 and 8,192,868.60

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Solution

The fourth proportional to 13,231,716.60, 19,866,237.30 and 8,192,868.60 is: 12,300,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231,716.60 : 19,866,237.30 = 8,192,868.60 : x
  2. Step 2: Convert to fraction form
    13,231,716.60/19,866,237.30 = 8,192,868.60/x
  3. Step 3: Cross multiply
    13,231,716.60x = 19,866,237.30 × 8,192,868.60
  4. Step 4: Simplify right side
    13,231,716.60x = 162,761,471,775,318.78
  5. Step 5: Solve for x
    x = 162,761,471,775,318.78/13,231,716.60
  6. Step 6: Final answer
    x = 12,300,858.36

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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.