Home / 12,148,993.88-16,765,961.47-6,716,835.80

Finding the Fourth Proportional to 12,148,993.88, 16,765,961.47 and 6,716,835.80

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Solution

The fourth proportional to 12,148,993.88, 16,765,961.47 and 6,716,835.80 is: 9,269,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,993.88 : 16,765,961.47 = 6,716,835.80 : x
  2. Step 2: Convert to fraction form
    12,148,993.88/16,765,961.47 = 6,716,835.80/x
  3. Step 3: Cross multiply
    12,148,993.88x = 16,765,961.47 × 6,716,835.80
  4. Step 4: Simplify right side
    12,148,993.88x = 112,614,210,122,494.72
  5. Step 5: Solve for x
    x = 112,614,210,122,494.72/12,148,993.88
  6. Step 6: Final answer
    x = 9,269,426.86

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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.