Home / 7,777,418.21-11,666,687.83-2,985,107.48

Finding the Fourth Proportional to 7,777,418.21, 11,666,687.83 and 2,985,107.48

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Solution

The fourth proportional to 7,777,418.21, 11,666,687.83 and 2,985,107.48 is: 4,477,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,418.21 : 11,666,687.83 = 2,985,107.48 : x
  2. Step 2: Convert to fraction form
    7,777,418.21/11,666,687.83 = 2,985,107.48/x
  3. Step 3: Cross multiply
    7,777,418.21x = 11,666,687.83 × 2,985,107.48
  4. Step 4: Simplify right side
    7,777,418.21x = 34,826,317,049,824.53
  5. Step 5: Solve for x
    x = 34,826,317,049,824.53/7,777,418.21
  6. Step 6: Final answer
    x = 4,477,876.35

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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.