Home / 8,121,611.94-12,181,808.98-2,364,389.72

Finding the Fourth Proportional to 8,121,611.94, 12,181,808.98 and 2,364,389.72

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Solution

The fourth proportional to 8,121,611.94, 12,181,808.98 and 2,364,389.72 is: 3,546,407.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,611.94 : 12,181,808.98 = 2,364,389.72 : x
  2. Step 2: Convert to fraction form
    8,121,611.94/12,181,808.98 = 2,364,389.72/x
  3. Step 3: Cross multiply
    8,121,611.94x = 12,181,808.98 × 2,364,389.72
  4. Step 4: Simplify right side
    8,121,611.94x = 28,802,543,923,315.69
  5. Step 5: Solve for x
    x = 28,802,543,923,315.69/8,121,611.94
  6. Step 6: Final answer
    x = 3,546,407.31

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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.