Home / 12,697,140.24-19,040,836.68-5,405,977.44

Finding the Fourth Proportional to 12,697,140.24, 19,040,836.68 and 5,405,977.44

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Solution

The fourth proportional to 12,697,140.24, 19,040,836.68 and 5,405,977.44 is: 8,106,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697,140.24 : 19,040,836.68 = 5,405,977.44 : x
  2. Step 2: Convert to fraction form
    12,697,140.24/19,040,836.68 = 5,405,977.44/x
  3. Step 3: Cross multiply
    12,697,140.24x = 19,040,836.68 × 5,405,977.44
  4. Step 4: Simplify right side
    12,697,140.24x = 102,934,333,530,804.50
  5. Step 5: Solve for x
    x = 102,934,333,530,804.50/12,697,140.24
  6. Step 6: Final answer
    x = 8,106,891.13

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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.