Home / 18,192,779.70-27,289,169.55-13,409,810.70

Finding the Fourth Proportional to 18,192,779.70, 27,289,169.55 and 13,409,810.70

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Solution

The fourth proportional to 18,192,779.70, 27,289,169.55 and 13,409,810.70 is: 20,114,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,779.70 : 27,289,169.55 = 13,409,810.70 : x
  2. Step 2: Convert to fraction form
    18,192,779.70/27,289,169.55 = 13,409,810.70/x
  3. Step 3: Cross multiply
    18,192,779.70x = 27,289,169.55 × 13,409,810.70
  4. Step 4: Simplify right side
    18,192,779.70x = 365,942,597,825,704.19
  5. Step 5: Solve for x
    x = 365,942,597,825,704.19/18,192,779.70
  6. Step 6: Final answer
    x = 20,114,716.05

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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.