Home / 18,868,417.22-28,274,521.97-9,758,350.26

Finding the Fourth Proportional to 18,868,417.22, 28,274,521.97 and 9,758,350.26

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Solution

The fourth proportional to 18,868,417.22, 28,274,521.97 and 9,758,350.26 is: 14,622,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868,417.22 : 28,274,521.97 = 9,758,350.26 : x
  2. Step 2: Convert to fraction form
    18,868,417.22/28,274,521.97 = 9,758,350.26/x
  3. Step 3: Cross multiply
    18,868,417.22x = 28,274,521.97 × 9,758,350.26
  4. Step 4: Simplify right side
    18,868,417.22x = 275,912,688,841,721.09
  5. Step 5: Solve for x
    x = 275,912,688,841,721.09/18,868,417.22
  6. Step 6: Final answer
    x = 14,622,990.66

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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.