Home / 18,336,943.89-25,305,132.65-11,465,409.33

Finding the Fourth Proportional to 18,336,943.89, 25,305,132.65 and 11,465,409.33

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Solution

The fourth proportional to 18,336,943.89, 25,305,132.65 and 11,465,409.33 is: 15,822,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336,943.89 : 25,305,132.65 = 11,465,409.33 : x
  2. Step 2: Convert to fraction form
    18,336,943.89/25,305,132.65 = 11,465,409.33/x
  3. Step 3: Cross multiply
    18,336,943.89x = 25,305,132.65 × 11,465,409.33
  4. Step 4: Simplify right side
    18,336,943.89x = 290,133,703,924,870.56
  5. Step 5: Solve for x
    x = 290,133,703,924,870.56/18,336,943.89
  6. Step 6: Final answer
    x = 15,822,358.71

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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.