Home / 10,073,879.44-15,115,270.92-5,280,422.56

Finding the Fourth Proportional to 10,073,879.44, 15,115,270.92 and 5,280,422.56

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Solution

The fourth proportional to 10,073,879.44, 15,115,270.92 and 5,280,422.56 is: 7,922,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073,879.44 : 15,115,270.92 = 5,280,422.56 : x
  2. Step 2: Convert to fraction form
    10,073,879.44/15,115,270.92 = 5,280,422.56/x
  3. Step 3: Cross multiply
    10,073,879.44x = 15,115,270.92 × 5,280,422.56
  4. Step 4: Simplify right side
    10,073,879.44x = 79,815,017,566,479.95
  5. Step 5: Solve for x
    x = 79,815,017,566,479.95/10,073,879.44
  6. Step 6: Final answer
    x = 7,922,967.32

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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.