Home / 12,682,447.36-19,015,579.03-8,359,506.52

Finding the Fourth Proportional to 12,682,447.36, 19,015,579.03 and 8,359,506.52

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Solution

The fourth proportional to 12,682,447.36, 19,015,579.03 and 8,359,506.52 is: 12,533,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682,447.36 : 19,015,579.03 = 8,359,506.52 : x
  2. Step 2: Convert to fraction form
    12,682,447.36/19,015,579.03 = 8,359,506.52/x
  3. Step 3: Cross multiply
    12,682,447.36x = 19,015,579.03 × 8,359,506.52
  4. Step 4: Simplify right side
    12,682,447.36x = 158,960,856,745,984.84
  5. Step 5: Solve for x
    x = 158,960,856,745,984.84/12,682,447.36
  6. Step 6: Final answer
    x = 12,533,926.01

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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.