Home / 15,474,557.33-21,355,082.69-8,505,995.70

Finding the Fourth Proportional to 15,474,557.33, 21,355,082.69 and 8,505,995.70

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Solution

The fourth proportional to 15,474,557.33, 21,355,082.69 and 8,505,995.70 is: 11,738,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474,557.33 : 21,355,082.69 = 8,505,995.70 : x
  2. Step 2: Convert to fraction form
    15,474,557.33/21,355,082.69 = 8,505,995.70/x
  3. Step 3: Cross multiply
    15,474,557.33x = 21,355,082.69 × 8,505,995.70
  4. Step 4: Simplify right side
    15,474,557.33x = 181,646,241,491,754.44
  5. Step 5: Solve for x
    x = 181,646,241,491,754.44/15,474,557.33
  6. Step 6: Final answer
    x = 11,738,380.47

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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.