Home / 18,568,817.28-25,623,786.24-10,309,043.16

Finding the Fourth Proportional to 18,568,817.28, 25,623,786.24 and 10,309,043.16

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Solution

The fourth proportional to 18,568,817.28, 25,623,786.24 and 10,309,043.16 is: 14,225,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568,817.28 : 25,623,786.24 = 10,309,043.16 : x
  2. Step 2: Convert to fraction form
    18,568,817.28/25,623,786.24 = 10,309,043.16/x
  3. Step 3: Cross multiply
    18,568,817.28x = 25,623,786.24 × 10,309,043.16
  4. Step 4: Simplify right side
    18,568,817.28x = 264,156,718,270,774.09
  5. Step 5: Solve for x
    x = 264,156,718,270,774.09/18,568,817.28
  6. Step 6: Final answer
    x = 14,225,823.56

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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.