Home / 13,923,984.24-20,890,251.72-6,646,730.40

Finding the Fourth Proportional to 13,923,984.24, 20,890,251.72 and 6,646,730.40

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Solution

The fourth proportional to 13,923,984.24, 20,890,251.72 and 6,646,730.40 is: 9,972,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923,984.24 : 20,890,251.72 = 6,646,730.40 : x
  2. Step 2: Convert to fraction form
    13,923,984.24/20,890,251.72 = 6,646,730.40/x
  3. Step 3: Cross multiply
    13,923,984.24x = 20,890,251.72 × 6,646,730.40
  4. Step 4: Simplify right side
    13,923,984.24x = 138,851,871,170,976.28
  5. Step 5: Solve for x
    x = 138,851,871,170,976.28/13,923,984.24
  6. Step 6: Final answer
    x = 9,972,136.48

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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.