Home / 18,750,680.69-28,266,561.24-17,500,756.43

Finding the Fourth Proportional to 18,750,680.69, 28,266,561.24 and 17,500,756.43

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Solution

The fourth proportional to 18,750,680.69, 28,266,561.24 and 17,500,756.43 is: 26,382,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750,680.69 : 28,266,561.24 = 17,500,756.43 : x
  2. Step 2: Convert to fraction form
    18,750,680.69/28,266,561.24 = 17,500,756.43/x
  3. Step 3: Cross multiply
    18,750,680.69x = 28,266,561.24 × 17,500,756.43
  4. Step 4: Simplify right side
    18,750,680.69x = 494,686,203,233,585.94
  5. Step 5: Solve for x
    x = 494,686,203,233,585.94/18,750,680.69
  6. Step 6: Final answer
    x = 26,382,306.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.