Home / 18,388,725.08-25,376,440.42-10,658,251.40

Finding the Fourth Proportional to 18,388,725.08, 25,376,440.42 and 10,658,251.40

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Solution

The fourth proportional to 18,388,725.08, 25,376,440.42 and 10,658,251.40 is: 14,708,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,725.08 : 25,376,440.42 = 10,658,251.40 : x
  2. Step 2: Convert to fraction form
    18,388,725.08/25,376,440.42 = 10,658,251.40/x
  3. Step 3: Cross multiply
    18,388,725.08x = 25,376,440.42 × 10,658,251.40
  4. Step 4: Simplify right side
    18,388,725.08x = 270,468,481,633,481.62
  5. Step 5: Solve for x
    x = 270,468,481,633,481.62/18,388,725.08
  6. Step 6: Final answer
    x = 14,708,386.82

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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.