Home / 15,752,806.40-23,629,209.60-5,115,238.40

Finding the Fourth Proportional to 15,752,806.40, 23,629,209.60 and 5,115,238.40

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Solution

The fourth proportional to 15,752,806.40, 23,629,209.60 and 5,115,238.40 is: 7,672,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,752,806.40 : 23,629,209.60 = 5,115,238.40 : x
  2. Step 2: Convert to fraction form
    15,752,806.40/23,629,209.60 = 5,115,238.40/x
  3. Step 3: Cross multiply
    15,752,806.40x = 23,629,209.60 × 5,115,238.40
  4. Step 4: Simplify right side
    15,752,806.40x = 120,869,040,307,568.66
  5. Step 5: Solve for x
    x = 120,869,040,307,568.66/15,752,806.40
  6. Step 6: Final answer
    x = 7,672,857.60

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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.