Home / 7,380,672.08-11,074,743.83-4,979,472.23

Finding the Fourth Proportional to 7,380,672.08, 11,074,743.83 and 4,979,472.23

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Solution

The fourth proportional to 7,380,672.08, 11,074,743.83 and 4,979,472.23 is: 7,471,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,672.08 : 11,074,743.83 = 4,979,472.23 : x
  2. Step 2: Convert to fraction form
    7,380,672.08/11,074,743.83 = 4,979,472.23/x
  3. Step 3: Cross multiply
    7,380,672.08x = 11,074,743.83 × 4,979,472.23
  4. Step 4: Simplify right side
    7,380,672.08x = 55,146,379,395,984.38
  5. Step 5: Solve for x
    x = 55,146,379,395,984.38/7,380,672.08
  6. Step 6: Final answer
    x = 7,471,728.70

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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.