Home / 12,139,450.34-18,206,813.24-3,502,943.60

Finding the Fourth Proportional to 12,139,450.34, 18,206,813.24 and 3,502,943.60

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Solution

The fourth proportional to 12,139,450.34, 18,206,813.24 and 3,502,943.60 is: 5,253,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,450.34 : 18,206,813.24 = 3,502,943.60 : x
  2. Step 2: Convert to fraction form
    12,139,450.34/18,206,813.24 = 3,502,943.60/x
  3. Step 3: Cross multiply
    12,139,450.34x = 18,206,813.24 × 3,502,943.60
  4. Step 4: Simplify right side
    12,139,450.34x = 63,777,439,915,453.26
  5. Step 5: Solve for x
    x = 63,777,439,915,453.26/12,139,450.34
  6. Step 6: Final answer
    x = 5,253,733.75

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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.