Home / 28,897,599.22-39,884,480.37-17,143,391.91

Finding the Fourth Proportional to 28,897,599.22, 39,884,480.37 and 17,143,391.91

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Solution

The fourth proportional to 28,897,599.22, 39,884,480.37 and 17,143,391.91 is: 23,661,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897,599.22 : 39,884,480.37 = 17,143,391.91 : x
  2. Step 2: Convert to fraction form
    28,897,599.22/39,884,480.37 = 17,143,391.91/x
  3. Step 3: Cross multiply
    28,897,599.22x = 39,884,480.37 × 17,143,391.91
  4. Step 4: Simplify right side
    28,897,599.22x = 683,755,278,109,611.75
  5. Step 5: Solve for x
    x = 683,755,278,109,611.75/28,897,599.22
  6. Step 6: Final answer
    x = 23,661,317.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.