Home / 18,876,459.73-28,270,599.67-17,352,208.21

Finding the Fourth Proportional to 18,876,459.73, 28,270,599.67 and 17,352,208.21

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Solution

The fourth proportional to 18,876,459.73, 28,270,599.67 and 17,352,208.21 is: 25,987,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876,459.73 : 28,270,599.67 = 17,352,208.21 : x
  2. Step 2: Convert to fraction form
    18,876,459.73/28,270,599.67 = 17,352,208.21/x
  3. Step 3: Cross multiply
    18,876,459.73x = 28,270,599.67 × 17,352,208.21
  4. Step 4: Simplify right side
    18,876,459.73x = 490,557,331,695,397.38
  5. Step 5: Solve for x
    x = 490,557,331,695,397.38/18,876,459.73
  6. Step 6: Final answer
    x = 25,987,782.60

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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.