Home / 14,611,619.45-20,166,163.02-8,415,460.26

Finding the Fourth Proportional to 14,611,619.45, 20,166,163.02 and 8,415,460.26

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Solution

The fourth proportional to 14,611,619.45, 20,166,163.02 and 8,415,460.26 is: 11,614,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611,619.45 : 20,166,163.02 = 8,415,460.26 : x
  2. Step 2: Convert to fraction form
    14,611,619.45/20,166,163.02 = 8,415,460.26/x
  3. Step 3: Cross multiply
    14,611,619.45x = 20,166,163.02 × 8,415,460.26
  4. Step 4: Simplify right side
    14,611,619.45x = 169,707,543,491,491.56
  5. Step 5: Solve for x
    x = 169,707,543,491,491.56/14,611,619.45
  6. Step 6: Final answer
    x = 11,614,560.87

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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.