Home / 13,889,155.76-19,167,032.28-7,694,605.04

Finding the Fourth Proportional to 13,889,155.76, 19,167,032.28 and 7,694,605.04

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Solution

The fourth proportional to 13,889,155.76, 19,167,032.28 and 7,694,605.04 is: 10,618,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,155.76 : 19,167,032.28 = 7,694,605.04 : x
  2. Step 2: Convert to fraction form
    13,889,155.76/19,167,032.28 = 7,694,605.04/x
  3. Step 3: Cross multiply
    13,889,155.76x = 19,167,032.28 × 7,694,605.04
  4. Step 4: Simplify right side
    13,889,155.76x = 147,482,743,183,530.69
  5. Step 5: Solve for x
    x = 147,482,743,183,530.69/13,889,155.76
  6. Step 6: Final answer
    x = 10,618,553.48

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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.