Home / 20,732,647.40-31,098,971.10-7,270,836.20

Finding the Fourth Proportional to 20,732,647.40, 31,098,971.10 and 7,270,836.20

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Solution

The fourth proportional to 20,732,647.40, 31,098,971.10 and 7,270,836.20 is: 10,906,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,647.40 : 31,098,971.10 = 7,270,836.20 : x
  2. Step 2: Convert to fraction form
    20,732,647.40/31,098,971.10 = 7,270,836.20/x
  3. Step 3: Cross multiply
    20,732,647.40x = 31,098,971.10 × 7,270,836.20
  4. Step 4: Simplify right side
    20,732,647.40x = 226,115,524,856,633.84
  5. Step 5: Solve for x
    x = 226,115,524,856,633.84/20,732,647.40
  6. Step 6: Final answer
    x = 10,906,254.30

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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.