Home / 10,378,855.26-15,569,768.67-3,190,992.69

Finding the Fourth Proportional to 10,378,855.26, 15,569,768.67 and 3,190,992.69

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Solution

The fourth proportional to 10,378,855.26, 15,569,768.67 and 3,190,992.69 is: 4,786,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,855.26 : 15,569,768.67 = 3,190,992.69 : x
  2. Step 2: Convert to fraction form
    10,378,855.26/15,569,768.67 = 3,190,992.69/x
  3. Step 3: Cross multiply
    10,378,855.26x = 15,569,768.67 × 3,190,992.69
  4. Step 4: Simplify right side
    10,378,855.26x = 49,683,018,010,961.02
  5. Step 5: Solve for x
    x = 49,683,018,010,961.02/10,378,855.26
  6. Step 6: Final answer
    x = 4,786,945.84

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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.