Home / 18,213,827.40-27,331,238.70-6,862,422.60

Finding the Fourth Proportional to 18,213,827.40, 27,331,238.70 and 6,862,422.60

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Solution

The fourth proportional to 18,213,827.40, 27,331,238.70 and 6,862,422.60 is: 10,297,589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213,827.40 : 27,331,238.70 = 6,862,422.60 : x
  2. Step 2: Convert to fraction form
    18,213,827.40/27,331,238.70 = 6,862,422.60/x
  3. Step 3: Cross multiply
    18,213,827.40x = 27,331,238.70 × 6,862,422.60
  4. Step 4: Simplify right side
    18,213,827.40x = 187,558,510,140,874.59
  5. Step 5: Solve for x
    x = 187,558,510,140,874.59/18,213,827.40
  6. Step 6: Final answer
    x = 10,297,589.08

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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.