Home / 28,673,020.20-39,568,768.26-15,795,964.20

Finding the Fourth Proportional to 28,673,020.20, 39,568,768.26 and 15,795,964.20

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Solution

The fourth proportional to 28,673,020.20, 39,568,768.26 and 15,795,964.20 is: 21,798,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673,020.20 : 39,568,768.26 = 15,795,964.20 : x
  2. Step 2: Convert to fraction form
    28,673,020.20/39,568,768.26 = 15,795,964.20/x
  3. Step 3: Cross multiply
    28,673,020.20x = 39,568,768.26 × 15,795,964.20
  4. Step 4: Simplify right side
    28,673,020.20x = 625,026,846,873,056.25
  5. Step 5: Solve for x
    x = 625,026,846,873,056.25/28,673,020.20
  6. Step 6: Final answer
    x = 21,798,430.81

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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.