Home / 7,517,158.08-10,373,754.24-4,079,428.80

Finding the Fourth Proportional to 7,517,158.08, 10,373,754.24 and 4,079,428.80

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Solution

The fourth proportional to 7,517,158.08, 10,373,754.24 and 4,079,428.80 is: 5,629,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517,158.08 : 10,373,754.24 = 4,079,428.80 : x
  2. Step 2: Convert to fraction form
    7,517,158.08/10,373,754.24 = 4,079,428.80/x
  3. Step 3: Cross multiply
    7,517,158.08x = 10,373,754.24 × 4,079,428.80
  4. Step 4: Simplify right side
    7,517,158.08x = 42,318,991,810,778.11
  5. Step 5: Solve for x
    x = 42,318,991,810,778.11/7,517,158.08
  6. Step 6: Final answer
    x = 5,629,653.04

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Double scale
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Similar ratio
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1.5x scale

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.