Home / 27,558,344.21-38,011,152.83-18,136,133.19

Finding the Fourth Proportional to 27,558,344.21, 38,011,152.83 and 18,136,133.19

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Solution

The fourth proportional to 27,558,344.21, 38,011,152.83 and 18,136,133.19 is: 25,015,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,558,344.21 : 38,011,152.83 = 18,136,133.19 : x
  2. Step 2: Convert to fraction form
    27,558,344.21/38,011,152.83 = 18,136,133.19/x
  3. Step 3: Cross multiply
    27,558,344.21x = 38,011,152.83 × 18,136,133.19
  4. Step 4: Simplify right side
    27,558,344.21x = 689,375,330,339,644.88
  5. Step 5: Solve for x
    x = 689,375,330,339,644.88/27,558,344.21
  6. Step 6: Final answer
    x = 25,015,121.56

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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.