Home / 12,491,704.35-18,729,529.02-5,210,187.63

Finding the Fourth Proportional to 12,491,704.35, 18,729,529.02 and 5,210,187.63

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Solution

The fourth proportional to 12,491,704.35, 18,729,529.02 and 5,210,187.63 is: 7,811,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491,704.35 : 18,729,529.02 = 5,210,187.63 : x
  2. Step 2: Convert to fraction form
    12,491,704.35/18,729,529.02 = 5,210,187.63/x
  3. Step 3: Cross multiply
    12,491,704.35x = 18,729,529.02 × 5,210,187.63
  4. Step 4: Simplify right side
    12,491,704.35x = 97,584,360,415,730.02
  5. Step 5: Solve for x
    x = 97,584,360,415,730.02/12,491,704.35
  6. Step 6: Final answer
    x = 7,811,933.24

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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.