Home / 14,156,427.31-21,188,969.57-7,323,591.41

Finding the Fourth Proportional to 14,156,427.31, 21,188,969.57 and 7,323,591.41

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Solution

The fourth proportional to 14,156,427.31, 21,188,969.57 and 7,323,591.41 is: 10,961,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156,427.31 : 21,188,969.57 = 7,323,591.41 : x
  2. Step 2: Convert to fraction form
    14,156,427.31/21,188,969.57 = 7,323,591.41/x
  3. Step 3: Cross multiply
    14,156,427.31x = 21,188,969.57 × 7,323,591.41
  4. Step 4: Simplify right side
    14,156,427.31x = 155,179,355,480,230.97
  5. Step 5: Solve for x
    x = 155,179,355,480,230.97/14,156,427.31
  6. Step 6: Final answer
    x = 10,961,759.78

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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.