Home / 15,172,333.92-20,937,154.32-8,647,375.68

Finding the Fourth Proportional to 15,172,333.92, 20,937,154.32 and 8,647,375.68

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Solution

The fourth proportional to 15,172,333.92, 20,937,154.32 and 8,647,375.68 is: 11,932,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172,333.92 : 20,937,154.32 = 8,647,375.68 : x
  2. Step 2: Convert to fraction form
    15,172,333.92/20,937,154.32 = 8,647,375.68/x
  3. Step 3: Cross multiply
    15,172,333.92x = 20,937,154.32 × 8,647,375.68
  4. Step 4: Simplify right side
    15,172,333.92x = 181,051,439,075,174.94
  5. Step 5: Solve for x
    x = 181,051,439,075,174.94/15,172,333.92
  6. Step 6: Final answer
    x = 11,932,998.58

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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.