Home / 6,428,338.80-9,585,713.10-6,370,640.88

Finding the Fourth Proportional to 6,428,338.80, 9,585,713.10 and 6,370,640.88

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Solution

The fourth proportional to 6,428,338.80, 9,585,713.10 and 6,370,640.88 is: 9,499,675.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,338.80 : 9,585,713.10 = 6,370,640.88 : x
  2. Step 2: Convert to fraction form
    6,428,338.80/9,585,713.10 = 6,370,640.88/x
  3. Step 3: Cross multiply
    6,428,338.80x = 9,585,713.10 × 6,370,640.88
  4. Step 4: Simplify right side
    6,428,338.80x = 61,067,135,738,811.52
  5. Step 5: Solve for x
    x = 61,067,135,738,811.52/6,428,338.80
  6. Step 6: Final answer
    x = 9,499,675.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.