Home / 27,728,279.28-41,612,849.64-13,155,251.76

Finding the Fourth Proportional to 27,728,279.28, 41,612,849.64 and 13,155,251.76

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Solution

The fourth proportional to 27,728,279.28, 41,612,849.64 and 13,155,251.76 is: 19,742,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,728,279.28 : 41,612,849.64 = 13,155,251.76 : x
  2. Step 2: Convert to fraction form
    27,728,279.28/41,612,849.64 = 13,155,251.76/x
  3. Step 3: Cross multiply
    27,728,279.28x = 41,612,849.64 × 13,155,251.76
  4. Step 4: Simplify right side
    27,728,279.28x = 547,427,513,465,225.38
  5. Step 5: Solve for x
    x = 547,427,513,465,225.38/27,728,279.28
  6. Step 6: Final answer
    x = 19,742,570.68

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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.