Home / 18,618,149.67-25,682,347.59-11,636,711.05

Finding the Fourth Proportional to 18,618,149.67, 25,682,347.59 and 11,636,711.05

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Solution

The fourth proportional to 18,618,149.67, 25,682,347.59 and 11,636,711.05 is: 16,051,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618,149.67 : 25,682,347.59 = 11,636,711.05 : x
  2. Step 2: Convert to fraction form
    18,618,149.67/25,682,347.59 = 11,636,711.05/x
  3. Step 3: Cross multiply
    18,618,149.67x = 25,682,347.59 × 11,636,711.05
  4. Step 4: Simplify right side
    18,618,149.67x = 298,858,057,986,591.38
  5. Step 5: Solve for x
    x = 298,858,057,986,591.38/18,618,149.67
  6. Step 6: Final answer
    x = 16,051,974.19

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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.