Home / 5,169,687.12-7,757,330.40-4,981,196.88

Finding the Fourth Proportional to 5,169,687.12, 7,757,330.40 and 4,981,196.88

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Solution

The fourth proportional to 5,169,687.12, 7,757,330.40 and 4,981,196.88 is: 7,474,492.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169,687.12 : 7,757,330.40 = 4,981,196.88 : x
  2. Step 2: Convert to fraction form
    5,169,687.12/7,757,330.40 = 4,981,196.88/x
  3. Step 3: Cross multiply
    5,169,687.12x = 7,757,330.40 × 4,981,196.88
  4. Step 4: Simplify right side
    5,169,687.12x = 38,640,789,985,609.16
  5. Step 5: Solve for x
    x = 38,640,789,985,609.16/5,169,687.12
  6. Step 6: Final answer
    x = 7,474,492.96

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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.