Home / 13,782,936.61-20,678,747.38-6,496,101.38

Finding the Fourth Proportional to 13,782,936.61, 20,678,747.38 and 6,496,101.38

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Solution

The fourth proportional to 13,782,936.61, 20,678,747.38 and 6,496,101.38 is: 9,746,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782,936.61 : 20,678,747.38 = 6,496,101.38 : x
  2. Step 2: Convert to fraction form
    13,782,936.61/20,678,747.38 = 6,496,101.38/x
  3. Step 3: Cross multiply
    13,782,936.61x = 20,678,747.38 × 6,496,101.38
  4. Step 4: Simplify right side
    13,782,936.61x = 134,331,239,427,346.02
  5. Step 5: Solve for x
    x = 134,331,239,427,346.02/13,782,936.61
  6. Step 6: Final answer
    x = 9,746,198.74

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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.