Home / 25,419,101.78-35,078,609.77-13,816,658.07

Finding the Fourth Proportional to 25,419,101.78, 35,078,609.77 and 13,816,658.07

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Solution

The fourth proportional to 25,419,101.78, 35,078,609.77 and 13,816,658.07 is: 19,067,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,419,101.78 : 35,078,609.77 = 13,816,658.07 : x
  2. Step 2: Convert to fraction form
    25,419,101.78/35,078,609.77 = 13,816,658.07/x
  3. Step 3: Cross multiply
    25,419,101.78x = 35,078,609.77 × 13,816,658.07
  4. Step 4: Simplify right side
    25,419,101.78x = 484,669,156,763,051.38
  5. Step 5: Solve for x
    x = 484,669,156,763,051.38/25,419,101.78
  6. Step 6: Final answer
    x = 19,067,123.65

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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.