Home / 7,172,000.30-9,897,107.22-3,908,750.26

Finding the Fourth Proportional to 7,172,000.30, 9,897,107.22 and 3,908,750.26

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Solution

The fourth proportional to 7,172,000.30, 9,897,107.22 and 3,908,750.26 is: 5,393,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,000.30 : 9,897,107.22 = 3,908,750.26 : x
  2. Step 2: Convert to fraction form
    7,172,000.30/9,897,107.22 = 3,908,750.26/x
  3. Step 3: Cross multiply
    7,172,000.30x = 9,897,107.22 × 3,908,750.26
  4. Step 4: Simplify right side
    7,172,000.30x = 38,685,320,419,422.88
  5. Step 5: Solve for x
    x = 38,685,320,419,422.88/7,172,000.30
  6. Step 6: Final answer
    x = 5,393,937.37

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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.