Home / 7,802,855.30-11,704,282.95-6,858,071.30

Finding the Fourth Proportional to 7,802,855.30, 11,704,282.95 and 6,858,071.30

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Solution

The fourth proportional to 7,802,855.30, 11,704,282.95 and 6,858,071.30 is: 10,287,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802,855.30 : 11,704,282.95 = 6,858,071.30 : x
  2. Step 2: Convert to fraction form
    7,802,855.30/11,704,282.95 = 6,858,071.30/x
  3. Step 3: Cross multiply
    7,802,855.30x = 11,704,282.95 × 6,858,071.30
  4. Step 4: Simplify right side
    7,802,855.30x = 80,268,806,986,474.33
  5. Step 5: Solve for x
    x = 80,268,806,986,474.33/7,802,855.30
  6. Step 6: Final answer
    x = 10,287,106.95

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Similar ratio
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1.5x scale

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.