Home / 21,485,898-32,229,736.38-6,339,829.50

Finding the Fourth Proportional to 21,485,898, 32,229,736.38 and 6,339,829.50

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Solution

The fourth proportional to 21,485,898, 32,229,736.38 and 6,339,829.50 is: 9,510,006.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485,898 : 32,229,736.38 = 6,339,829.50 : x
  2. Step 2: Convert to fraction form
    21,485,898/32,229,736.38 = 6,339,829.50/x
  3. Step 3: Cross multiply
    21,485,898x = 32,229,736.38 × 6,339,829.50
  4. Step 4: Simplify right side
    21,485,898x = 204,331,033,479,147.22
  5. Step 5: Solve for x
    x = 204,331,033,479,147.22/21,485,898
  6. Step 6: Final answer
    x = 9,510,006.68

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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.