Home / 26,408,716.77-36,401,919.57-20,817,846.66

Finding the Fourth Proportional to 26,408,716.77, 36,401,919.57 and 20,817,846.66

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Solution

The fourth proportional to 26,408,716.77, 36,401,919.57 and 20,817,846.66 is: 28,695,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,408,716.77 : 36,401,919.57 = 20,817,846.66 : x
  2. Step 2: Convert to fraction form
    26,408,716.77/36,401,919.57 = 20,817,846.66/x
  3. Step 3: Cross multiply
    26,408,716.77x = 36,401,919.57 × 20,817,846.66
  4. Step 4: Simplify right side
    26,408,716.77x = 757,809,579,737,913.12
  5. Step 5: Solve for x
    x = 757,809,579,737,913.12/26,408,716.77
  6. Step 6: Final answer
    x = 28,695,433.65

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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.