Home / 27,754,942.69-41,635,977.73-12,972,712.90

Finding the Fourth Proportional to 27,754,942.69, 41,635,977.73 and 12,972,712.90

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Solution

The fourth proportional to 27,754,942.69, 41,635,977.73 and 12,972,712.90 is: 19,460,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,754,942.69 : 41,635,977.73 = 12,972,712.90 : x
  2. Step 2: Convert to fraction form
    27,754,942.69/41,635,977.73 = 12,972,712.90/x
  3. Step 3: Cross multiply
    27,754,942.69x = 41,635,977.73 × 12,972,712.90
  4. Step 4: Simplify right side
    27,754,942.69x = 540,131,585,421,696.88
  5. Step 5: Solve for x
    x = 540,131,585,421,696.88/27,754,942.69
  6. Step 6: Final answer
    x = 19,460,735.03

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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.