Home / 13,609,571.10-20,414,356.65-13,147,676.70

Finding the Fourth Proportional to 13,609,571.10, 20,414,356.65 and 13,147,676.70

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Solution

The fourth proportional to 13,609,571.10, 20,414,356.65 and 13,147,676.70 is: 19,721,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,571.10 : 20,414,356.65 = 13,147,676.70 : x
  2. Step 2: Convert to fraction form
    13,609,571.10/20,414,356.65 = 13,147,676.70/x
  3. Step 3: Cross multiply
    13,609,571.10x = 20,414,356.65 × 13,147,676.70
  4. Step 4: Simplify right side
    13,609,571.10x = 268,401,361,272,695.03
  5. Step 5: Solve for x
    x = 268,401,361,272,695.03/13,609,571.10
  6. Step 6: Final answer
    x = 19,721,515.05

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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.