Home / 13,769,401.10-20,654,101.65-8,289,653.90

Finding the Fourth Proportional to 13,769,401.10, 20,654,101.65 and 8,289,653.90

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Solution

The fourth proportional to 13,769,401.10, 20,654,101.65 and 8,289,653.90 is: 12,434,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769,401.10 : 20,654,101.65 = 8,289,653.90 : x
  2. Step 2: Convert to fraction form
    13,769,401.10/20,654,101.65 = 8,289,653.90/x
  3. Step 3: Cross multiply
    13,769,401.10x = 20,654,101.65 × 8,289,653.90
  4. Step 4: Simplify right side
    13,769,401.10x = 171,215,354,293,918.94
  5. Step 5: Solve for x
    x = 171,215,354,293,918.94/13,769,401.10
  6. Step 6: Final answer
    x = 12,434,480.85

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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.