Home / 21,857,865.50-32,788,372.90-8,394,693.50

Finding the Fourth Proportional to 21,857,865.50, 32,788,372.90 and 8,394,693.50

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Solution

The fourth proportional to 21,857,865.50, 32,788,372.90 and 8,394,693.50 is: 12,592,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,857,865.50 : 32,788,372.90 = 8,394,693.50 : x
  2. Step 2: Convert to fraction form
    21,857,865.50/32,788,372.90 = 8,394,693.50/x
  3. Step 3: Cross multiply
    21,857,865.50x = 32,788,372.90 × 8,394,693.50
  4. Step 4: Simplify right side
    21,857,865.50x = 275,248,340,859,206.12
  5. Step 5: Solve for x
    x = 275,248,340,859,206.12/21,857,865.50
  6. Step 6: Final answer
    x = 12,592,645.01

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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.