Home / 38,063,991.24-52,528,361.09-20,660,340.42

Finding the Fourth Proportional to 38,063,991.24, 52,528,361.09 and 20,660,340.42

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Solution

The fourth proportional to 38,063,991.24, 52,528,361.09 and 20,660,340.42 is: 28,511,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,063,991.24 : 52,528,361.09 = 20,660,340.42 : x
  2. Step 2: Convert to fraction form
    38,063,991.24/52,528,361.09 = 20,660,340.42/x
  3. Step 3: Cross multiply
    38,063,991.24x = 52,528,361.09 × 20,660,340.42
  4. Step 4: Simplify right side
    38,063,991.24x = 1,085,253,821,720,780.62
  5. Step 5: Solve for x
    x = 1,085,253,821,720,780.62/38,063,991.24
  6. Step 6: Final answer
    x = 28,511,298.64

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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.