Home / 20,252,641.94-27,948,908.31-11,085,087.86

Finding the Fourth Proportional to 20,252,641.94, 27,948,908.31 and 11,085,087.86

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Solution

The fourth proportional to 20,252,641.94, 27,948,908.31 and 11,085,087.86 is: 15,297,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,641.94 : 27,948,908.31 = 11,085,087.86 : x
  2. Step 2: Convert to fraction form
    20,252,641.94/27,948,908.31 = 11,085,087.86/x
  3. Step 3: Cross multiply
    20,252,641.94x = 27,948,908.31 × 11,085,087.86
  4. Step 4: Simplify right side
    20,252,641.94x = 309,816,104,179,130.94
  5. Step 5: Solve for x
    x = 309,816,104,179,130.94/20,252,641.94
  6. Step 6: Final answer
    x = 15,297,564.89

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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.