Home / 7,152,022.80-10,728,034.20-2,103,843.60

Finding the Fourth Proportional to 7,152,022.80, 10,728,034.20 and 2,103,843.60

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Solution

The fourth proportional to 7,152,022.80, 10,728,034.20 and 2,103,843.60 is: 3,155,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,022.80 : 10,728,034.20 = 2,103,843.60 : x
  2. Step 2: Convert to fraction form
    7,152,022.80/10,728,034.20 = 2,103,843.60/x
  3. Step 3: Cross multiply
    7,152,022.80x = 10,728,034.20 × 2,103,843.60
  4. Step 4: Simplify right side
    7,152,022.80x = 22,570,106,092,251.12
  5. Step 5: Solve for x
    x = 22,570,106,092,251.12/7,152,022.80
  6. Step 6: Final answer
    x = 3,155,765.40

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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.