Home / 20,714,037.28-28,597,619.99-18,415,839.27

Finding the Fourth Proportional to 20,714,037.28, 28,597,619.99 and 18,415,839.27

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Solution

The fourth proportional to 20,714,037.28, 28,597,619.99 and 18,415,839.27 is: 25,424,747.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714,037.28 : 28,597,619.99 = 18,415,839.27 : x
  2. Step 2: Convert to fraction form
    20,714,037.28/28,597,619.99 = 18,415,839.27/x
  3. Step 3: Cross multiply
    20,714,037.28x = 28,597,619.99 × 18,415,839.27
  4. Step 4: Simplify right side
    20,714,037.28x = 526,649,173,240,378.94
  5. Step 5: Solve for x
    x = 526,649,173,240,378.94/20,714,037.28
  6. Step 6: Final answer
    x = 25,424,747.77

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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.