Home / 18,543,720.50-27,815,248.26-7,611,536.27

Finding the Fourth Proportional to 18,543,720.50, 27,815,248.26 and 7,611,536.27

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Solution

The fourth proportional to 18,543,720.50, 27,815,248.26 and 7,611,536.27 is: 11,417,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543,720.50 : 27,815,248.26 = 7,611,536.27 : x
  2. Step 2: Convert to fraction form
    18,543,720.50/27,815,248.26 = 7,611,536.27/x
  3. Step 3: Cross multiply
    18,543,720.50x = 27,815,248.26 × 7,611,536.27
  4. Step 4: Simplify right side
    18,543,720.50x = 211,716,770,850,968.16
  5. Step 5: Solve for x
    x = 211,716,770,850,968.16/18,543,720.50
  6. Step 6: Final answer
    x = 11,417,167.92

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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.