Home / 21,491,202.48-32,229,062.28-7,111,615.92

Finding the Fourth Proportional to 21,491,202.48, 32,229,062.28 and 7,111,615.92

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Solution

The fourth proportional to 21,491,202.48, 32,229,062.28 and 7,111,615.92 is: 10,664,862.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,202.48 : 32,229,062.28 = 7,111,615.92 : x
  2. Step 2: Convert to fraction form
    21,491,202.48/32,229,062.28 = 7,111,615.92/x
  3. Step 3: Cross multiply
    21,491,202.48x = 32,229,062.28 × 7,111,615.92
  4. Step 4: Simplify right side
    21,491,202.48x = 229,200,712,397,119.50
  5. Step 5: Solve for x
    x = 229,200,712,397,119.50/21,491,202.48
  6. Step 6: Final answer
    x = 10,664,862.17

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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.