Home / 13,914,085.28-20,871,288.57-4,198,782.40

Finding the Fourth Proportional to 13,914,085.28, 20,871,288.57 and 4,198,782.40

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Solution

The fourth proportional to 13,914,085.28, 20,871,288.57 and 4,198,782.40 is: 6,298,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914,085.28 : 20,871,288.57 = 4,198,782.40 : x
  2. Step 2: Convert to fraction form
    13,914,085.28/20,871,288.57 = 4,198,782.40/x
  3. Step 3: Cross multiply
    13,914,085.28x = 20,871,288.57 × 4,198,782.40
  4. Step 4: Simplify right side
    13,914,085.28x = 87,633,999,182,194.20
  5. Step 5: Solve for x
    x = 87,633,999,182,194.20/13,914,085.28
  6. Step 6: Final answer
    x = 6,298,222.09

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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.