Home / 25,859,786.25-38,789,873.82-11,478,987.93

Finding the Fourth Proportional to 25,859,786.25, 38,789,873.82 and 11,478,987.93

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Solution

The fourth proportional to 25,859,786.25, 38,789,873.82 and 11,478,987.93 is: 17,218,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859,786.25 : 38,789,873.82 = 11,478,987.93 : x
  2. Step 2: Convert to fraction form
    25,859,786.25/38,789,873.82 = 11,478,987.93/x
  3. Step 3: Cross multiply
    25,859,786.25x = 38,789,873.82 × 11,478,987.93
  4. Step 4: Simplify right side
    25,859,786.25x = 445,268,493,386,003
  5. Step 5: Solve for x
    x = 445,268,493,386,003/25,859,786.25
  6. Step 6: Final answer
    x = 17,218,568.21

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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.