Home / 18,388,702.92-25,376,409.87-10,658,229.24

Finding the Fourth Proportional to 18,388,702.92, 25,376,409.87 and 10,658,229.24

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Solution

The fourth proportional to 18,388,702.92, 25,376,409.87 and 10,658,229.24 is: 14,708,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,702.92 : 25,376,409.87 = 10,658,229.24 : x
  2. Step 2: Convert to fraction form
    18,388,702.92/25,376,409.87 = 10,658,229.24/x
  3. Step 3: Cross multiply
    18,388,702.92x = 25,376,409.87 × 10,658,229.24
  4. Step 4: Simplify right side
    18,388,702.92x = 270,467,593,682,658.62
  5. Step 5: Solve for x
    x = 270,467,593,682,658.62/18,388,702.92
  6. Step 6: Final answer
    x = 14,708,356.26

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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.