Home / 8,620,196.18-11,895,963.62-4,699,920.38

Finding the Fourth Proportional to 8,620,196.18, 11,895,963.62 and 4,699,920.38

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Solution

The fourth proportional to 8,620,196.18, 11,895,963.62 and 4,699,920.38 is: 6,485,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,196.18 : 11,895,963.62 = 4,699,920.38 : x
  2. Step 2: Convert to fraction form
    8,620,196.18/11,895,963.62 = 4,699,920.38/x
  3. Step 3: Cross multiply
    8,620,196.18x = 11,895,963.62 × 4,699,920.38
  4. Step 4: Simplify right side
    8,620,196.18x = 55,910,081,914,427.28
  5. Step 5: Solve for x
    x = 55,910,081,914,427.28/8,620,196.18
  6. Step 6: Final answer
    x = 6,485,940.78

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1.5x scale

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.