Home / 18,987,323.28-26,196,060.60-10,726,178.64

Finding the Fourth Proportional to 18,987,323.28, 26,196,060.60 and 10,726,178.64

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Solution

The fourth proportional to 18,987,323.28, 26,196,060.60 and 10,726,178.64 is: 14,798,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,987,323.28 : 26,196,060.60 = 10,726,178.64 : x
  2. Step 2: Convert to fraction form
    18,987,323.28/26,196,060.60 = 10,726,178.64/x
  3. Step 3: Cross multiply
    18,987,323.28x = 26,196,060.60 × 10,726,178.64
  4. Step 4: Simplify right side
    18,987,323.28x = 280,983,625,659,865.62
  5. Step 5: Solve for x
    x = 280,983,625,659,865.62/18,987,323.28
  6. Step 6: Final answer
    x = 14,798,485.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.