Home / 11,777,697.78-16,252,749.27-6,620,949.42

Finding the Fourth Proportional to 11,777,697.78, 16,252,749.27 and 6,620,949.42

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Solution

The fourth proportional to 11,777,697.78, 16,252,749.27 and 6,620,949.42 is: 9,136,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777,697.78 : 16,252,749.27 = 6,620,949.42 : x
  2. Step 2: Convert to fraction form
    11,777,697.78/16,252,749.27 = 6,620,949.42/x
  3. Step 3: Cross multiply
    11,777,697.78x = 16,252,749.27 × 6,620,949.42
  4. Step 4: Simplify right side
    11,777,697.78x = 107,608,630,852,611.92
  5. Step 5: Solve for x
    x = 107,608,630,852,611.92/11,777,697.78
  6. Step 6: Final answer
    x = 9,136,643.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.