Home / 20,252,642-27,948,908.40-11,085,087.92

Finding the Fourth Proportional to 20,252,642, 27,948,908.40 and 11,085,087.92

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Solution

The fourth proportional to 20,252,642, 27,948,908.40 and 11,085,087.92 is: 15,297,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,642 : 27,948,908.40 = 11,085,087.92 : x
  2. Step 2: Convert to fraction form
    20,252,642/27,948,908.40 = 11,085,087.92/x
  3. Step 3: Cross multiply
    20,252,642x = 27,948,908.40 × 11,085,087.92
  4. Step 4: Simplify right side
    20,252,642x = 309,816,106,882,026.50
  5. Step 5: Solve for x
    x = 309,816,106,882,026.50/20,252,642
  6. Step 6: Final answer
    x = 15,297,564.97

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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.