Home / 9,171,226.20-13,756,839.30-8,289,427.80

Finding the Fourth Proportional to 9,171,226.20, 13,756,839.30 and 8,289,427.80

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Solution

The fourth proportional to 9,171,226.20, 13,756,839.30 and 8,289,427.80 is: 12,434,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171,226.20 : 13,756,839.30 = 8,289,427.80 : x
  2. Step 2: Convert to fraction form
    9,171,226.20/13,756,839.30 = 8,289,427.80/x
  3. Step 3: Cross multiply
    9,171,226.20x = 13,756,839.30 × 8,289,427.80
  4. Step 4: Simplify right side
    9,171,226.20x = 114,036,326,133,552.55
  5. Step 5: Solve for x
    x = 114,036,326,133,552.55/9,171,226.20
  6. Step 6: Final answer
    x = 12,434,141.70

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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.