Home / 12,147,618.99-18,234,036.37-7,040,028.11

Finding the Fourth Proportional to 12,147,618.99, 18,234,036.37 and 7,040,028.11

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Solution

The fourth proportional to 12,147,618.99, 18,234,036.37 and 7,040,028.11 is: 10,567,348.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147,618.99 : 18,234,036.37 = 7,040,028.11 : x
  2. Step 2: Convert to fraction form
    12,147,618.99/18,234,036.37 = 7,040,028.11/x
  3. Step 3: Cross multiply
    12,147,618.99x = 18,234,036.37 × 7,040,028.11
  4. Step 4: Simplify right side
    12,147,618.99x = 128,368,128,603,562.38
  5. Step 5: Solve for x
    x = 128,368,128,603,562.38/12,147,618.99
  6. Step 6: Final answer
    x = 10,567,348.94

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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.