Home / 12,631,699.66-18,948,238.62-3,995,155.10

Finding the Fourth Proportional to 12,631,699.66, 18,948,238.62 and 3,995,155.10

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Solution

The fourth proportional to 12,631,699.66, 18,948,238.62 and 3,995,155.10 is: 5,992,950.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,699.66 : 18,948,238.62 = 3,995,155.10 : x
  2. Step 2: Convert to fraction form
    12,631,699.66/18,948,238.62 = 3,995,155.10/x
  3. Step 3: Cross multiply
    12,631,699.66x = 18,948,238.62 × 3,995,155.10
  4. Step 4: Simplify right side
    12,631,699.66x = 75,701,152,213,571.47
  5. Step 5: Solve for x
    x = 75,701,152,213,571.47/12,631,699.66
  6. Step 6: Final answer
    x = 5,992,950.61

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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.