Home / 18,799,608.16-28,201,521.48-16,868,648.76

Finding the Fourth Proportional to 18,799,608.16, 28,201,521.48 and 16,868,648.76

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Solution

The fourth proportional to 18,799,608.16, 28,201,521.48 and 16,868,648.76 is: 25,304,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799,608.16 : 28,201,521.48 = 16,868,648.76 : x
  2. Step 2: Convert to fraction form
    18,799,608.16/28,201,521.48 = 16,868,648.76/x
  3. Step 3: Cross multiply
    18,799,608.16x = 28,201,521.48 × 16,868,648.76
  4. Step 4: Simplify right side
    18,799,608.16x = 475,721,560,343,715.44
  5. Step 5: Solve for x
    x = 475,721,560,343,715.44/18,799,608.16
  6. Step 6: Final answer
    x = 25,304,865.73

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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.