Home / 7,388,049.60-11,082,074.40-6,912,158.40

Finding the Fourth Proportional to 7,388,049.60, 11,082,074.40 and 6,912,158.40

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Solution

The fourth proportional to 7,388,049.60, 11,082,074.40 and 6,912,158.40 is: 10,368,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388,049.60 : 11,082,074.40 = 6,912,158.40 : x
  2. Step 2: Convert to fraction form
    7,388,049.60/11,082,074.40 = 6,912,158.40/x
  3. Step 3: Cross multiply
    7,388,049.60x = 11,082,074.40 × 6,912,158.40
  4. Step 4: Simplify right side
    7,388,049.60x = 76,601,053,653,384.97
  5. Step 5: Solve for x
    x = 76,601,053,653,384.97/7,388,049.60
  6. Step 6: Final answer
    x = 10,368,237.60

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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.