Home / 18,799,603.79-28,201,514.92-16,868,644.38

Finding the Fourth Proportional to 18,799,603.79, 28,201,514.92 and 16,868,644.38

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Solution

The fourth proportional to 18,799,603.79, 28,201,514.92 and 16,868,644.38 is: 25,304,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799,603.79 : 28,201,514.92 = 16,868,644.38 : x
  2. Step 2: Convert to fraction form
    18,799,603.79/28,201,514.92 = 16,868,644.38/x
  3. Step 3: Cross multiply
    18,799,603.79x = 28,201,514.92 × 16,868,644.38
  4. Step 4: Simplify right side
    18,799,603.79x = 475,721,326,120,572.50
  5. Step 5: Solve for x
    x = 475,721,326,120,572.50/18,799,603.79
  6. Step 6: Final answer
    x = 25,304,859.16

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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.