Home / 12,264,249.32-16,931,679.30-8,139,873.56

Finding the Fourth Proportional to 12,264,249.32, 16,931,679.30 and 8,139,873.56

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Solution

The fourth proportional to 12,264,249.32, 16,931,679.30 and 8,139,873.56 is: 11,237,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264,249.32 : 16,931,679.30 = 8,139,873.56 : x
  2. Step 2: Convert to fraction form
    12,264,249.32/16,931,679.30 = 8,139,873.56/x
  3. Step 3: Cross multiply
    12,264,249.32x = 16,931,679.30 × 8,139,873.56
  4. Step 4: Simplify right side
    12,264,249.32x = 137,821,728,660,469.31
  5. Step 5: Solve for x
    x = 137,821,728,660,469.31/12,264,249.32
  6. Step 6: Final answer
    x = 11,237,681.58

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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.