Home / 20,732,588.40-31,098,882.60-7,270,777.20

Finding the Fourth Proportional to 20,732,588.40, 31,098,882.60 and 7,270,777.20

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Solution

The fourth proportional to 20,732,588.40, 31,098,882.60 and 7,270,777.20 is: 10,906,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,588.40 : 31,098,882.60 = 7,270,777.20 : x
  2. Step 2: Convert to fraction form
    20,732,588.40/31,098,882.60 = 7,270,777.20/x
  3. Step 3: Cross multiply
    20,732,588.40x = 31,098,882.60 × 7,270,777.20
  4. Step 4: Simplify right side
    20,732,588.40x = 226,113,046,553,556.75
  5. Step 5: Solve for x
    x = 226,113,046,553,556.75/20,732,588.40
  6. Step 6: Final answer
    x = 10,906,165.80

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1.5x scale

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.