Home / 10,647,205.20-15,970,807.80-3,074,936.40

Finding the Fourth Proportional to 10,647,205.20, 15,970,807.80 and 3,074,936.40

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Solution

The fourth proportional to 10,647,205.20, 15,970,807.80 and 3,074,936.40 is: 4,612,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,205.20 : 15,970,807.80 = 3,074,936.40 : x
  2. Step 2: Convert to fraction form
    10,647,205.20/15,970,807.80 = 3,074,936.40/x
  3. Step 3: Cross multiply
    10,647,205.20x = 15,970,807.80 × 3,074,936.40
  4. Step 4: Simplify right side
    10,647,205.20x = 49,109,218,241,623.92
  5. Step 5: Solve for x
    x = 49,109,218,241,623.92/10,647,205.20
  6. Step 6: Final answer
    x = 4,612,404.60

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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.