Home / 28,544,408.68-39,391,578.36-15,491,780.32

Finding the Fourth Proportional to 28,544,408.68, 39,391,578.36 and 15,491,780.32

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Solution

The fourth proportional to 28,544,408.68, 39,391,578.36 and 15,491,780.32 is: 21,378,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544,408.68 : 39,391,578.36 = 15,491,780.32 : x
  2. Step 2: Convert to fraction form
    28,544,408.68/39,391,578.36 = 15,491,780.32/x
  3. Step 3: Cross multiply
    28,544,408.68x = 39,391,578.36 × 15,491,780.32
  4. Step 4: Simplify right side
    28,544,408.68x = 610,245,678,411,185.88
  5. Step 5: Solve for x
    x = 610,245,678,411,185.88/28,544,408.68
  6. Step 6: Final answer
    x = 21,378,816.61

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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.