Home / 18,876,459.23-28,270,598.93-17,352,207.71

Finding the Fourth Proportional to 18,876,459.23, 28,270,598.93 and 17,352,207.71

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Solution

The fourth proportional to 18,876,459.23, 28,270,598.93 and 17,352,207.71 is: 25,987,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876,459.23 : 28,270,598.93 = 17,352,207.71 : x
  2. Step 2: Convert to fraction form
    18,876,459.23/28,270,598.93 = 17,352,207.71/x
  3. Step 3: Cross multiply
    18,876,459.23x = 28,270,598.93 × 17,352,207.71
  4. Step 4: Simplify right side
    18,876,459.23x = 490,557,304,632,702.75
  5. Step 5: Solve for x
    x = 490,557,304,632,702.75/18,876,459.23
  6. Step 6: Final answer
    x = 25,987,781.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.