Home / 18,876,460.23-28,270,600.42-17,352,208.71

Finding the Fourth Proportional to 18,876,460.23, 28,270,600.42 and 17,352,208.71

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Solution

The fourth proportional to 18,876,460.23, 28,270,600.42 and 17,352,208.71 is: 25,987,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876,460.23 : 28,270,600.42 = 17,352,208.71 : x
  2. Step 2: Convert to fraction form
    18,876,460.23/28,270,600.42 = 17,352,208.71/x
  3. Step 3: Cross multiply
    18,876,460.23x = 28,270,600.42 × 17,352,208.71
  4. Step 4: Simplify right side
    18,876,460.23x = 490,557,358,844,853.69
  5. Step 5: Solve for x
    x = 490,557,358,844,853.69/18,876,460.23
  6. Step 6: Final answer
    x = 25,987,783.35

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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.