Home / 18,618,151.04-25,682,349.49-11,636,712.42

Finding the Fourth Proportional to 18,618,151.04, 25,682,349.49 and 11,636,712.42

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Solution

The fourth proportional to 18,618,151.04, 25,682,349.49 and 11,636,712.42 is: 16,051,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618,151.04 : 25,682,349.49 = 11,636,712.42 : x
  2. Step 2: Convert to fraction form
    18,618,151.04/25,682,349.49 = 11,636,712.42/x
  3. Step 3: Cross multiply
    18,618,151.04x = 25,682,349.49 × 11,636,712.42
  4. Step 4: Simplify right side
    18,618,151.04x = 298,858,115,285,063.62
  5. Step 5: Solve for x
    x = 298,858,115,285,063.62/18,618,151.04
  6. Step 6: Final answer
    x = 16,051,976.09

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1.5x scale

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.