Home / 7,979,790.32-11,012,180.80-4,542,252.56

Finding the Fourth Proportional to 7,979,790.32, 11,012,180.80 and 4,542,252.56

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Solution

The fourth proportional to 7,979,790.32, 11,012,180.80 and 4,542,252.56 is: 6,268,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,790.32 : 11,012,180.80 = 4,542,252.56 : x
  2. Step 2: Convert to fraction form
    7,979,790.32/11,012,180.80 = 4,542,252.56/x
  3. Step 3: Cross multiply
    7,979,790.32x = 11,012,180.80 × 4,542,252.56
  4. Step 4: Simplify right side
    7,979,790.32x = 50,020,106,429,982.84
  5. Step 5: Solve for x
    x = 50,020,106,429,982.84/7,979,790.32
  6. Step 6: Final answer
    x = 6,268,348.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.