Home / 18,618,150.54-25,682,348.80-11,636,711.93

Finding the Fourth Proportional to 18,618,150.54, 25,682,348.80 and 11,636,711.93

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Solution

The fourth proportional to 18,618,150.54, 25,682,348.80 and 11,636,711.93 is: 16,051,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618,150.54 : 25,682,348.80 = 11,636,711.93 : x
  2. Step 2: Convert to fraction form
    18,618,150.54/25,682,348.80 = 11,636,711.93/x
  3. Step 3: Cross multiply
    18,618,150.54x = 25,682,348.80 × 11,636,711.93
  4. Step 4: Simplify right side
    18,618,150.54x = 298,858,094,484,785.94
  5. Step 5: Solve for x
    x = 298,858,094,484,785.94/18,618,150.54
  6. Step 6: Final answer
    x = 16,051,975.40

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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.