Home / 7,179,172.06-9,910,915.92-5,543,908.42

Finding the Fourth Proportional to 7,179,172.06, 9,910,915.92 and 5,543,908.42

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Solution

The fourth proportional to 7,179,172.06, 9,910,915.92 and 5,543,908.42 is: 7,653,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,172.06 : 9,910,915.92 = 5,543,908.42 : x
  2. Step 2: Convert to fraction form
    7,179,172.06/9,910,915.92 = 5,543,908.42/x
  3. Step 3: Cross multiply
    7,179,172.06x = 9,910,915.92 × 5,543,908.42
  4. Step 4: Simplify right side
    7,179,172.06x = 54,945,210,218,800.05
  5. Step 5: Solve for x
    x = 54,945,210,218,800.05/7,179,172.06
  6. Step 6: Final answer
    x = 7,653,418.77

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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.