Home / 7,171,998.30-9,897,104.46-3,908,748.26

Finding the Fourth Proportional to 7,171,998.30, 9,897,104.46 and 3,908,748.26

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Solution

The fourth proportional to 7,171,998.30, 9,897,104.46 and 3,908,748.26 is: 5,393,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,998.30 : 9,897,104.46 = 3,908,748.26 : x
  2. Step 2: Convert to fraction form
    7,171,998.30/9,897,104.46 = 3,908,748.26/x
  3. Step 3: Cross multiply
    7,171,998.30x = 9,897,104.46 × 3,908,748.26
  4. Step 4: Simplify right side
    7,171,998.30x = 38,685,289,837,063.24
  5. Step 5: Solve for x
    x = 38,685,289,837,063.24/7,171,998.30
  6. Step 6: Final answer
    x = 5,393,934.61

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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.