Home / 13,328,659.20-19,979,529-5,247,307.02

Finding the Fourth Proportional to 13,328,659.20, 19,979,529 and 5,247,307.02

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Solution

The fourth proportional to 13,328,659.20, 19,979,529 and 5,247,307.02 is: 7,865,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328,659.20 : 19,979,529 = 5,247,307.02 : x
  2. Step 2: Convert to fraction form
    13,328,659.20/19,979,529 = 5,247,307.02/x
  3. Step 3: Cross multiply
    13,328,659.20x = 19,979,529 × 5,247,307.02
  4. Step 4: Simplify right side
    13,328,659.20x = 104,838,722,777,993.58
  5. Step 5: Solve for x
    x = 104,838,722,777,993.58/13,328,659.20
  6. Step 6: Final answer
    x = 7,865,661.59

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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.