Home / 10,378,855.77-15,569,769.42-3,190,993.19

Finding the Fourth Proportional to 10,378,855.77, 15,569,769.42 and 3,190,993.19

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Solution

The fourth proportional to 10,378,855.77, 15,569,769.42 and 3,190,993.19 is: 4,786,946.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,855.77 : 15,569,769.42 = 3,190,993.19 : x
  2. Step 2: Convert to fraction form
    10,378,855.77/15,569,769.42 = 3,190,993.19/x
  3. Step 3: Cross multiply
    10,378,855.77x = 15,569,769.42 × 3,190,993.19
  4. Step 4: Simplify right side
    10,378,855.77x = 49,683,028,189,090.25
  5. Step 5: Solve for x
    x = 49,683,028,189,090.25/10,378,855.77
  6. Step 6: Final answer
    x = 4,786,946.59

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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.