Home / 18,379,725.28-25,363,812.51-10,119,618.88

Finding the Fourth Proportional to 18,379,725.28, 25,363,812.51 and 10,119,618.88

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Solution

The fourth proportional to 18,379,725.28, 25,363,812.51 and 10,119,618.88 is: 13,964,959.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379,725.28 : 25,363,812.51 = 10,119,618.88 : x
  2. Step 2: Convert to fraction form
    18,379,725.28/25,363,812.51 = 10,119,618.88/x
  3. Step 3: Cross multiply
    18,379,725.28x = 25,363,812.51 × 10,119,618.88
  4. Step 4: Simplify right side
    18,379,725.28x = 256,672,115,944,976.22
  5. Step 5: Solve for x
    x = 256,672,115,944,976.22/18,379,725.28
  6. Step 6: Final answer
    x = 13,964,959.33

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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.