Home / 18,388,107.26-25,375,586.81-10,657,633.61

Finding the Fourth Proportional to 18,388,107.26, 25,375,586.81 and 10,657,633.61

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Solution

The fourth proportional to 18,388,107.26, 25,375,586.81 and 10,657,633.61 is: 14,707,533.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,107.26 : 25,375,586.81 = 10,657,633.61 : x
  2. Step 2: Convert to fraction form
    18,388,107.26/25,375,586.81 = 10,657,633.61/x
  3. Step 3: Cross multiply
    18,388,107.26x = 25,375,586.81 × 10,657,633.61
  4. Step 4: Simplify right side
    18,388,107.26x = 270,443,706,859,728.66
  5. Step 5: Solve for x
    x = 270,443,706,859,728.66/18,388,107.26
  6. Step 6: Final answer
    x = 14,707,533.68

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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.