Home / 28,797,581.30-39,741,039.11-15,744,855.23

Finding the Fourth Proportional to 28,797,581.30, 39,741,039.11 and 15,744,855.23

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Solution

The fourth proportional to 28,797,581.30, 39,741,039.11 and 15,744,855.23 is: 21,728,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797,581.30 : 39,741,039.11 = 15,744,855.23 : x
  2. Step 2: Convert to fraction form
    28,797,581.30/39,741,039.11 = 15,744,855.23/x
  3. Step 3: Cross multiply
    28,797,581.30x = 39,741,039.11 × 15,744,855.23
  4. Step 4: Simplify right side
    28,797,581.30x = 625,716,907,466,403.88
  5. Step 5: Solve for x
    x = 625,716,907,466,403.88/28,797,581.30
  6. Step 6: Final answer
    x = 21,728,106.30

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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.