Home / 13,923,754.64-20,889,908.00-6,646,500.55

Finding the Fourth Proportional to 13,923,754.64, 20,889,908.00 and 6,646,500.55

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Solution

The fourth proportional to 13,923,754.64, 20,889,908.00 and 6,646,500.55 is: 9,971,791.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923,754.64 : 20,889,908.00 = 6,646,500.55 : x
  2. Step 2: Convert to fraction form
    13,923,754.64/20,889,908.00 = 6,646,500.55/x
  3. Step 3: Cross multiply
    13,923,754.64x = 20,889,908.00 × 6,646,500.55
  4. Step 4: Simplify right side
    13,923,754.64x = 138,844,784,911,747.94
  5. Step 5: Solve for x
    x = 138,844,784,911,747.94/13,923,754.64
  6. Step 6: Final answer
    x = 9,971,791.99

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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.