Home / 27,131,462.20-40,702,442.10-7,962,844.60

Finding the Fourth Proportional to 27,131,462.20, 40,702,442.10 and 7,962,844.60

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Solution

The fourth proportional to 27,131,462.20, 40,702,442.10 and 7,962,844.60 is: 11,945,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131,462.20 : 40,702,442.10 = 7,962,844.60 : x
  2. Step 2: Convert to fraction form
    27,131,462.20/40,702,442.10 = 7,962,844.60/x
  3. Step 3: Cross multiply
    27,131,462.20x = 40,702,442.10 × 7,962,844.60
  4. Step 4: Simplify right side
    27,131,462.20x = 324,107,221,282,797.69
  5. Step 5: Solve for x
    x = 324,107,221,282,797.69/27,131,462.20
  6. Step 6: Final answer
    x = 11,945,807.38

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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.