Home / 18,453,043.80-27,679,419.90-4,806,163.80

Finding the Fourth Proportional to 18,453,043.80, 27,679,419.90 and 4,806,163.80

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Solution

The fourth proportional to 18,453,043.80, 27,679,419.90 and 4,806,163.80 is: 7,209,207.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,043.80 : 27,679,419.90 = 4,806,163.80 : x
  2. Step 2: Convert to fraction form
    18,453,043.80/27,679,419.90 = 4,806,163.80/x
  3. Step 3: Cross multiply
    18,453,043.80x = 27,679,419.90 × 4,806,163.80
  4. Step 4: Simplify right side
    18,453,043.80x = 133,031,825,928,379.61
  5. Step 5: Solve for x
    x = 133,031,825,928,379.61/18,453,043.80
  6. Step 6: Final answer
    x = 7,209,207.73

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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.