Home / 21,857,853.25-32,788,354.52-8,394,681.25

Finding the Fourth Proportional to 21,857,853.25, 32,788,354.52 and 8,394,681.25

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Solution

The fourth proportional to 21,857,853.25, 32,788,354.52 and 8,394,681.25 is: 12,592,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,857,853.25 : 32,788,354.52 = 8,394,681.25 : x
  2. Step 2: Convert to fraction form
    21,857,853.25/32,788,354.52 = 8,394,681.25/x
  3. Step 3: Cross multiply
    21,857,853.25x = 32,788,354.52 × 8,394,681.25
  4. Step 4: Simplify right side
    21,857,853.25x = 275,247,784,907,396.75
  5. Step 5: Solve for x
    x = 275,247,784,907,396.75/21,857,853.25
  6. Step 6: Final answer
    x = 12,592,626.63

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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.