Home / 13,905,029.40-20,857,544.10-13,401,144.60

Finding the Fourth Proportional to 13,905,029.40, 20,857,544.10 and 13,401,144.60

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Solution

The fourth proportional to 13,905,029.40, 20,857,544.10 and 13,401,144.60 is: 20,101,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905,029.40 : 20,857,544.10 = 13,401,144.60 : x
  2. Step 2: Convert to fraction form
    13,905,029.40/20,857,544.10 = 13,401,144.60/x
  3. Step 3: Cross multiply
    13,905,029.40x = 20,857,544.10 × 13,401,144.60
  4. Step 4: Simplify right side
    13,905,029.40x = 279,514,964,484,976.88
  5. Step 5: Solve for x
    x = 279,514,964,484,976.88/13,905,029.40
  6. Step 6: Final answer
    x = 20,101,716.90

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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.