Home / 6,891,109.71-9,509,563.58-3,793,607.88

Finding the Fourth Proportional to 6,891,109.71, 9,509,563.58 and 3,793,607.88

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Solution

The fourth proportional to 6,891,109.71, 9,509,563.58 and 3,793,607.88 is: 5,235,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891,109.71 : 9,509,563.58 = 3,793,607.88 : x
  2. Step 2: Convert to fraction form
    6,891,109.71/9,509,563.58 = 3,793,607.88/x
  3. Step 3: Cross multiply
    6,891,109.71x = 9,509,563.58 × 3,793,607.88
  4. Step 4: Simplify right side
    6,891,109.71x = 36,075,555,313,480.97
  5. Step 5: Solve for x
    x = 36,075,555,313,480.97/6,891,109.71
  6. Step 6: Final answer
    x = 5,235,086.49

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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.