Home / 20,231,354.61-30,339,043.90-8,098,556.58

Finding the Fourth Proportional to 20,231,354.61, 30,339,043.90 and 8,098,556.58

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Solution

The fourth proportional to 20,231,354.61, 30,339,043.90 and 8,098,556.58 is: 12,144,637.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231,354.61 : 30,339,043.90 = 8,098,556.58 : x
  2. Step 2: Convert to fraction form
    20,231,354.61/30,339,043.90 = 8,098,556.58/x
  3. Step 3: Cross multiply
    20,231,354.61x = 30,339,043.90 × 8,098,556.58
  4. Step 4: Simplify right side
    20,231,354.61x = 245,702,463,587,007.47
  5. Step 5: Solve for x
    x = 245,702,463,587,007.47/20,231,354.61
  6. Step 6: Final answer
    x = 12,144,637.29

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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.