Home / 6,640,430.31-9,163,669.97-3,619,498.65

Finding the Fourth Proportional to 6,640,430.31, 9,163,669.97 and 3,619,498.65

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Solution

The fourth proportional to 6,640,430.31, 9,163,669.97 and 3,619,498.65 is: 4,994,840.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,430.31 : 9,163,669.97 = 3,619,498.65 : x
  2. Step 2: Convert to fraction form
    6,640,430.31/9,163,669.97 = 3,619,498.65/x
  3. Step 3: Cross multiply
    6,640,430.31x = 9,163,669.97 × 3,619,498.65
  4. Step 4: Simplify right side
    6,640,430.31x = 33,167,891,067,363.05
  5. Step 5: Solve for x
    x = 33,167,891,067,363.05/6,640,430.31
  6. Step 6: Final answer
    x = 4,994,840.62

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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.