Home / 13,366,975.55-20,093,273.85-12,419,239.10

Finding the Fourth Proportional to 13,366,975.55, 20,093,273.85 and 12,419,239.10

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Solution

The fourth proportional to 13,366,975.55, 20,093,273.85 and 12,419,239.10 is: 18,668,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,975.55 : 20,093,273.85 = 12,419,239.10 : x
  2. Step 2: Convert to fraction form
    13,366,975.55/20,093,273.85 = 12,419,239.10/x
  3. Step 3: Cross multiply
    13,366,975.55x = 20,093,273.85 × 12,419,239.10
  4. Step 4: Simplify right side
    13,366,975.55x = 249,543,172,244,927.53
  5. Step 5: Solve for x
    x = 249,543,172,244,927.53/13,366,975.55
  6. Step 6: Final answer
    x = 18,668,633.85

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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.