Home / 8,179,969.90-12,269,839.65-3,692,238.70

Finding the Fourth Proportional to 8,179,969.90, 12,269,839.65 and 3,692,238.70

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Solution

The fourth proportional to 8,179,969.90, 12,269,839.65 and 3,692,238.70 is: 5,538,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,969.90 : 12,269,839.65 = 3,692,238.70 : x
  2. Step 2: Convert to fraction form
    8,179,969.90/12,269,839.65 = 3,692,238.70/x
  3. Step 3: Cross multiply
    8,179,969.90x = 12,269,839.65 × 3,692,238.70
  4. Step 4: Simplify right side
    8,179,969.90x = 45,303,176,798,524.46
  5. Step 5: Solve for x
    x = 45,303,176,798,524.46/8,179,969.90
  6. Step 6: Final answer
    x = 5,538,306.05

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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.