Home / 9,151,891.86-12,629,370.30-5,021,910.30

Finding the Fourth Proportional to 9,151,891.86, 12,629,370.30 and 5,021,910.30

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Solution

The fourth proportional to 9,151,891.86, 12,629,370.30 and 5,021,910.30 is: 6,930,104.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151,891.86 : 12,629,370.30 = 5,021,910.30 : x
  2. Step 2: Convert to fraction form
    9,151,891.86/12,629,370.30 = 5,021,910.30/x
  3. Step 3: Cross multiply
    9,151,891.86x = 12,629,370.30 × 5,021,910.30
  4. Step 4: Simplify right side
    9,151,891.86x = 63,423,564,792,084.09
  5. Step 5: Solve for x
    x = 63,423,564,792,084.09/9,151,891.86
  6. Step 6: Final answer
    x = 6,930,104.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.