Home / 34,381,898.40-47,515,067.62-28,177,160.70

Finding the Fourth Proportional to 34,381,898.40, 47,515,067.62 and 28,177,160.70

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Solution

The fourth proportional to 34,381,898.40, 47,515,067.62 and 28,177,160.70 is: 38,940,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,381,898.40 : 47,515,067.62 = 28,177,160.70 : x
  2. Step 2: Convert to fraction form
    34,381,898.40/47,515,067.62 = 28,177,160.70/x
  3. Step 3: Cross multiply
    34,381,898.40x = 47,515,067.62 × 28,177,160.70
  4. Step 4: Simplify right side
    34,381,898.40x = 1,338,839,696,000,106.50
  5. Step 5: Solve for x
    x = 1,338,839,696,000,106.50/34,381,898.40
  6. Step 6: Final answer
    x = 38,940,249.33

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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.