Home / 39,192,811.17-54,083,015.46-21,788,096.55

Finding the Fourth Proportional to 39,192,811.17, 54,083,015.46 and 21,788,096.55

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Solution

The fourth proportional to 39,192,811.17, 54,083,015.46 and 21,788,096.55 is: 30,065,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,192,811.17 : 54,083,015.46 = 21,788,096.55 : x
  2. Step 2: Convert to fraction form
    39,192,811.17/54,083,015.46 = 21,788,096.55/x
  3. Step 3: Cross multiply
    39,192,811.17x = 54,083,015.46 × 21,788,096.55
  4. Step 4: Simplify right side
    39,192,811.17x = 1,178,365,962,557,622.75
  5. Step 5: Solve for x
    x = 1,178,365,962,557,622.75/39,192,811.17
  6. Step 6: Final answer
    x = 30,065,869.92

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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.