Home / 18,802,784.28-28,206,687.24-7,440,575.76

Finding the Fourth Proportional to 18,802,784.28, 28,206,687.24 and 7,440,575.76

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Solution

The fourth proportional to 18,802,784.28, 28,206,687.24 and 7,440,575.76 is: 11,161,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802,784.28 : 28,206,687.24 = 7,440,575.76 : x
  2. Step 2: Convert to fraction form
    18,802,784.28/28,206,687.24 = 7,440,575.76/x
  3. Step 3: Cross multiply
    18,802,784.28x = 28,206,687.24 × 7,440,575.76
  4. Step 4: Simplify right side
    18,802,784.28x = 209,873,993,347,845.28
  5. Step 5: Solve for x
    x = 209,873,993,347,845.28/18,802,784.28
  6. Step 6: Final answer
    x = 11,161,857.21

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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.