Home / 28,517,080.80-42,775,621.20-17,179,672.80

Finding the Fourth Proportional to 28,517,080.80, 42,775,621.20 and 17,179,672.80

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Solution

The fourth proportional to 28,517,080.80, 42,775,621.20 and 17,179,672.80 is: 25,769,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517,080.80 : 42,775,621.20 = 17,179,672.80 : x
  2. Step 2: Convert to fraction form
    28,517,080.80/42,775,621.20 = 17,179,672.80/x
  3. Step 3: Cross multiply
    28,517,080.80x = 42,775,621.20 × 17,179,672.80
  4. Step 4: Simplify right side
    28,517,080.80x = 734,871,176,032,743.50
  5. Step 5: Solve for x
    x = 734,871,176,032,743.50/28,517,080.80
  6. Step 6: Final answer
    x = 25,769,509.20

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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.