Home / 7,216,728.97-10,813,578.50-5,288,704.60

Finding the Fourth Proportional to 7,216,728.97, 10,813,578.50 and 5,288,704.60

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Solution

The fourth proportional to 7,216,728.97, 10,813,578.50 and 5,288,704.60 is: 7,924,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,728.97 : 10,813,578.50 = 5,288,704.60 : x
  2. Step 2: Convert to fraction form
    7,216,728.97/10,813,578.50 = 5,288,704.60/x
  3. Step 3: Cross multiply
    7,216,728.97x = 10,813,578.50 × 5,288,704.60
  4. Step 4: Simplify right side
    7,216,728.97x = 57,189,822,328,967.57
  5. Step 5: Solve for x
    x = 57,189,822,328,967.57/7,216,728.97
  6. Step 6: Final answer
    x = 7,924,618.28

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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.