Home / 12,545,450.88-18,792,982.08-10,618,091.52

Finding the Fourth Proportional to 12,545,450.88, 18,792,982.08 and 10,618,091.52

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Solution

The fourth proportional to 12,545,450.88, 18,792,982.08 and 10,618,091.52 is: 15,905,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545,450.88 : 18,792,982.08 = 10,618,091.52 : x
  2. Step 2: Convert to fraction form
    12,545,450.88/18,792,982.08 = 10,618,091.52/x
  3. Step 3: Cross multiply
    12,545,450.88x = 18,792,982.08 × 10,618,091.52
  4. Step 4: Simplify right side
    12,545,450.88x = 199,545,603,659,159.94
  5. Step 5: Solve for x
    x = 199,545,603,659,159.94/12,545,450.88
  6. Step 6: Final answer
    x = 15,905,813.63

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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.