Home / 10,135,589.13-13,987,100.54-5,489,371.41

Finding the Fourth Proportional to 10,135,589.13, 13,987,100.54 and 5,489,371.41

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Solution

The fourth proportional to 10,135,589.13, 13,987,100.54 and 5,489,371.41 is: 7,575,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135,589.13 : 13,987,100.54 = 5,489,371.41 : x
  2. Step 2: Convert to fraction form
    10,135,589.13/13,987,100.54 = 5,489,371.41/x
  3. Step 3: Cross multiply
    10,135,589.13x = 13,987,100.54 × 5,489,371.41
  4. Step 4: Simplify right side
    10,135,589.13x = 76,780,389,785,624.70
  5. Step 5: Solve for x
    x = 76,780,389,785,624.70/10,135,589.13
  6. Step 6: Final answer
    x = 7,575,325.80

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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.