Home / 13,600,167.44-20,401,745.84-6,778,457.90

Finding the Fourth Proportional to 13,600,167.44, 20,401,745.84 and 6,778,457.90

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Solution

The fourth proportional to 13,600,167.44, 20,401,745.84 and 6,778,457.90 is: 10,168,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600,167.44 : 20,401,745.84 = 6,778,457.90 : x
  2. Step 2: Convert to fraction form
    13,600,167.44/20,401,745.84 = 6,778,457.90/x
  3. Step 3: Cross multiply
    13,600,167.44x = 20,401,745.84 × 6,778,457.90
  4. Step 4: Simplify right side
    13,600,167.44x = 138,292,375,262,940.14
  5. Step 5: Solve for x
    x = 138,292,375,262,940.14/13,600,167.44
  6. Step 6: Final answer
    x = 10,168,431.81

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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.