Home / 12,456,183.65-18,675,308.16-7,653,950.82

Finding the Fourth Proportional to 12,456,183.65, 18,675,308.16 and 7,653,950.82

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Solution

The fourth proportional to 12,456,183.65, 18,675,308.16 and 7,653,950.82 is: 11,475,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,183.65 : 18,675,308.16 = 7,653,950.82 : x
  2. Step 2: Convert to fraction form
    12,456,183.65/18,675,308.16 = 7,653,950.82/x
  3. Step 3: Cross multiply
    12,456,183.65x = 18,675,308.16 × 7,653,950.82
  4. Step 4: Simplify right side
    12,456,183.65x = 142,939,890,204,984.69
  5. Step 5: Solve for x
    x = 142,939,890,204,984.69/12,456,183.65
  6. Step 6: Final answer
    x = 11,475,416.09

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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.