Home / 18,193,869.97-25,107,890.15-9,934,259.62

Finding the Fourth Proportional to 18,193,869.97, 25,107,890.15 and 9,934,259.62

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Solution

The fourth proportional to 18,193,869.97, 25,107,890.15 and 9,934,259.62 is: 13,709,469.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,869.97 : 25,107,890.15 = 9,934,259.62 : x
  2. Step 2: Convert to fraction form
    18,193,869.97/25,107,890.15 = 9,934,259.62/x
  3. Step 3: Cross multiply
    18,193,869.97x = 25,107,890.15 × 9,934,259.62
  4. Step 4: Simplify right side
    18,193,869.97x = 249,428,299,148,099.72
  5. Step 5: Solve for x
    x = 249,428,299,148,099.72/18,193,869.97
  6. Step 6: Final answer
    x = 13,709,469.16

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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.