Home / 10,579,719.36-15,871,073.52-3,389,571.30

Finding the Fourth Proportional to 10,579,719.36, 15,871,073.52 and 3,389,571.30

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Solution

The fourth proportional to 10,579,719.36, 15,871,073.52 and 3,389,571.30 is: 5,084,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579,719.36 : 15,871,073.52 = 3,389,571.30 : x
  2. Step 2: Convert to fraction form
    10,579,719.36/15,871,073.52 = 3,389,571.30/x
  3. Step 3: Cross multiply
    10,579,719.36x = 15,871,073.52 × 3,389,571.30
  4. Step 4: Simplify right side
    10,579,719.36x = 53,796,135,303,581.97
  5. Step 5: Solve for x
    x = 53,796,135,303,581.97/10,579,719.36
  6. Step 6: Final answer
    x = 5,084,835.76

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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.