Home / 13,674,341.43-18,876,401.60-8,520,249.47

Finding the Fourth Proportional to 13,674,341.43, 18,876,401.60 and 8,520,249.47

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Solution

The fourth proportional to 13,674,341.43, 18,876,401.60 and 8,520,249.47 is: 11,761,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,341.43 : 18,876,401.60 = 8,520,249.47 : x
  2. Step 2: Convert to fraction form
    13,674,341.43/18,876,401.60 = 8,520,249.47/x
  3. Step 3: Cross multiply
    13,674,341.43x = 18,876,401.60 × 8,520,249.47
  4. Step 4: Simplify right side
    13,674,341.43x = 160,831,650,590,923.88
  5. Step 5: Solve for x
    x = 160,831,650,590,923.88/13,674,341.43
  6. Step 6: Final answer
    x = 11,761,564.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.