Home / 13,444,311.90-20,139,895.80-7,368,169.80

Finding the Fourth Proportional to 13,444,311.90, 20,139,895.80 and 7,368,169.80

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Solution

The fourth proportional to 13,444,311.90, 20,139,895.80 and 7,368,169.80 is: 11,037,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444,311.90 : 20,139,895.80 = 7,368,169.80 : x
  2. Step 2: Convert to fraction form
    13,444,311.90/20,139,895.80 = 7,368,169.80/x
  3. Step 3: Cross multiply
    13,444,311.90x = 20,139,895.80 × 7,368,169.80
  4. Step 4: Simplify right side
    13,444,311.90x = 148,394,172,008,706.84
  5. Step 5: Solve for x
    x = 148,394,172,008,706.84/13,444,311.90
  6. Step 6: Final answer
    x = 11,037,691.86

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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.