Home / 18,388,106.26-25,375,585.43-10,657,632.61

Finding the Fourth Proportional to 18,388,106.26, 25,375,585.43 and 10,657,632.61

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Solution

The fourth proportional to 18,388,106.26, 25,375,585.43 and 10,657,632.61 is: 14,707,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,106.26 : 25,375,585.43 = 10,657,632.61 : x
  2. Step 2: Convert to fraction form
    18,388,106.26/25,375,585.43 = 10,657,632.61/x
  3. Step 3: Cross multiply
    18,388,106.26x = 25,375,585.43 × 10,657,632.61
  4. Step 4: Simplify right side
    18,388,106.26x = 270,443,666,834,972.44
  5. Step 5: Solve for x
    x = 270,443,666,834,972.44/18,388,106.26
  6. Step 6: Final answer
    x = 14,707,532.31

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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.