Home / 8,682,816.40-11,981,433-4,815,270.16

Finding the Fourth Proportional to 8,682,816.40, 11,981,433 and 4,815,270.16

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Solution

The fourth proportional to 8,682,816.40, 11,981,433 and 4,815,270.16 is: 6,644,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,816.40 : 11,981,433 = 4,815,270.16 : x
  2. Step 2: Convert to fraction form
    8,682,816.40/11,981,433 = 4,815,270.16/x
  3. Step 3: Cross multiply
    8,682,816.40x = 11,981,433 × 4,815,270.16
  4. Step 4: Simplify right side
    8,682,816.40x = 57,693,836,798,939.28
  5. Step 5: Solve for x
    x = 57,693,836,798,939.28/8,682,816.40
  6. Step 6: Final answer
    x = 6,644,599.42

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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.