Home / 13,664,084.67-18,856,437.72-7,469,155.92

Finding the Fourth Proportional to 13,664,084.67, 18,856,437.72 and 7,469,155.92

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Solution

The fourth proportional to 13,664,084.67, 18,856,437.72 and 7,469,155.92 is: 10,307,435.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664,084.67 : 18,856,437.72 = 7,469,155.92 : x
  2. Step 2: Convert to fraction form
    13,664,084.67/18,856,437.72 = 7,469,155.92/x
  3. Step 3: Cross multiply
    13,664,084.67x = 18,856,437.72 × 7,469,155.92
  4. Step 4: Simplify right side
    13,664,084.67x = 140,841,673,426,449.28
  5. Step 5: Solve for x
    x = 140,841,673,426,449.28/13,664,084.67
  6. Step 6: Final answer
    x = 10,307,435.65

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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.