Home / 13,841,668.92-19,098,732.78-7,729,156.92

Finding the Fourth Proportional to 13,841,668.92, 19,098,732.78 and 7,729,156.92

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Solution

The fourth proportional to 13,841,668.92, 19,098,732.78 and 7,729,156.92 is: 10,664,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841,668.92 : 19,098,732.78 = 7,729,156.92 : x
  2. Step 2: Convert to fraction form
    13,841,668.92/19,098,732.78 = 7,729,156.92/x
  3. Step 3: Cross multiply
    13,841,668.92x = 19,098,732.78 × 7,729,156.92
  4. Step 4: Simplify right side
    13,841,668.92x = 147,617,102,629,767.84
  5. Step 5: Solve for x
    x = 147,617,102,629,767.84/13,841,668.92
  6. Step 6: Final answer
    x = 10,664,689.60

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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.