Home / 9,275,855.28-12,800,695.30-5,145,886.60

Finding the Fourth Proportional to 9,275,855.28, 12,800,695.30 and 5,145,886.60

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Solution

The fourth proportional to 9,275,855.28, 12,800,695.30 and 5,145,886.60 is: 7,101,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275,855.28 : 12,800,695.30 = 5,145,886.60 : x
  2. Step 2: Convert to fraction form
    9,275,855.28/12,800,695.30 = 5,145,886.60/x
  3. Step 3: Cross multiply
    9,275,855.28x = 12,800,695.30 × 5,145,886.60
  4. Step 4: Simplify right side
    9,275,855.28x = 65,870,926,414,952.98
  5. Step 5: Solve for x
    x = 65,870,926,414,952.98/9,275,855.28
  6. Step 6: Final answer
    x = 7,101,331.84

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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.