Home / 12,528,052.65-18,792,078.98-8,874,887.85

Finding the Fourth Proportional to 12,528,052.65, 18,792,078.98 and 8,874,887.85

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Solution

The fourth proportional to 12,528,052.65, 18,792,078.98 and 8,874,887.85 is: 13,312,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,052.65 : 18,792,078.98 = 8,874,887.85 : x
  2. Step 2: Convert to fraction form
    12,528,052.65/18,792,078.98 = 8,874,887.85/x
  3. Step 3: Cross multiply
    12,528,052.65x = 18,792,078.98 × 8,874,887.85
  4. Step 4: Simplify right side
    12,528,052.65x = 166,777,593,371,467.97
  5. Step 5: Solve for x
    x = 166,777,593,371,467.97/12,528,052.65
  6. Step 6: Final answer
    x = 13,312,331.78

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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.