Home / 21,857,855.38-32,788,357.70-8,394,683.38

Finding the Fourth Proportional to 21,857,855.38, 32,788,357.70 and 8,394,683.38

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Solution

The fourth proportional to 21,857,855.38, 32,788,357.70 and 8,394,683.38 is: 12,592,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,857,855.38 : 32,788,357.70 = 8,394,683.38 : x
  2. Step 2: Convert to fraction form
    21,857,855.38/32,788,357.70 = 8,394,683.38/x
  3. Step 3: Cross multiply
    21,857,855.38x = 32,788,357.70 × 8,394,683.38
  4. Step 4: Simplify right side
    21,857,855.38x = 275,247,881,441,685.03
  5. Step 5: Solve for x
    x = 275,247,881,441,685.03/21,857,855.38
  6. Step 6: Final answer
    x = 12,592,629.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.