Home / 7,382,428.80-11,073,643.20-3,393,340.80

Finding the Fourth Proportional to 7,382,428.80, 11,073,643.20 and 3,393,340.80

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Solution

The fourth proportional to 7,382,428.80, 11,073,643.20 and 3,393,340.80 is: 5,090,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382,428.80 : 11,073,643.20 = 3,393,340.80 : x
  2. Step 2: Convert to fraction form
    7,382,428.80/11,073,643.20 = 3,393,340.80/x
  3. Step 3: Cross multiply
    7,382,428.80x = 11,073,643.20 × 3,393,340.80
  4. Step 4: Simplify right side
    7,382,428.80x = 37,576,645,275,202.55
  5. Step 5: Solve for x
    x = 37,576,645,275,202.55/7,382,428.80
  6. Step 6: Final answer
    x = 5,090,011.20

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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.