Home / 18,716,174.45-28,070,017.50-8,474,273.03

Finding the Fourth Proportional to 18,716,174.45, 28,070,017.50 and 8,474,273.03

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Solution

The fourth proportional to 18,716,174.45, 28,070,017.50 and 8,474,273.03 is: 12,709,487.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,174.45 : 28,070,017.50 = 8,474,273.03 : x
  2. Step 2: Convert to fraction form
    18,716,174.45/28,070,017.50 = 8,474,273.03/x
  3. Step 3: Cross multiply
    18,716,174.45x = 28,070,017.50 × 8,474,273.03
  4. Step 4: Simplify right side
    18,716,174.45x = 237,872,992,111,527.94
  5. Step 5: Solve for x
    x = 237,872,992,111,527.94/18,716,174.45
  6. Step 6: Final answer
    x = 12,709,487.87

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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.