Home / 7,777,418.46-11,666,688.21-2,985,107.73

Finding the Fourth Proportional to 7,777,418.46, 11,666,688.21 and 2,985,107.73

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Solution

The fourth proportional to 7,777,418.46, 11,666,688.21 and 2,985,107.73 is: 4,477,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,418.46 : 11,666,688.21 = 2,985,107.73 : x
  2. Step 2: Convert to fraction form
    7,777,418.46/11,666,688.21 = 2,985,107.73/x
  3. Step 3: Cross multiply
    7,777,418.46x = 11,666,688.21 × 2,985,107.73
  4. Step 4: Simplify right side
    7,777,418.46x = 34,826,321,085,911.89
  5. Step 5: Solve for x
    x = 34,826,321,085,911.89/7,777,418.46
  6. Step 6: Final answer
    x = 4,477,876.72

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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.