Home / 18,722,719.52-25,837,388.06-10,462,781.85

Finding the Fourth Proportional to 18,722,719.52, 25,837,388.06 and 10,462,781.85

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Solution

The fourth proportional to 18,722,719.52, 25,837,388.06 and 10,462,781.85 is: 14,438,658.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,719.52 : 25,837,388.06 = 10,462,781.85 : x
  2. Step 2: Convert to fraction form
    18,722,719.52/25,837,388.06 = 10,462,781.85/x
  3. Step 3: Cross multiply
    18,722,719.52x = 25,837,388.06 × 10,462,781.85
  4. Step 4: Simplify right side
    18,722,719.52x = 270,330,954,696,370.59
  5. Step 5: Solve for x
    x = 270,330,954,696,370.59/18,722,719.52
  6. Step 6: Final answer
    x = 14,438,658.57

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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.