Home / 9,171,229.70-13,756,844.55-8,289,431.30

Finding the Fourth Proportional to 9,171,229.70, 13,756,844.55 and 8,289,431.30

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Solution

The fourth proportional to 9,171,229.70, 13,756,844.55 and 8,289,431.30 is: 12,434,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171,229.70 : 13,756,844.55 = 8,289,431.30 : x
  2. Step 2: Convert to fraction form
    9,171,229.70/13,756,844.55 = 8,289,431.30/x
  3. Step 3: Cross multiply
    9,171,229.70x = 13,756,844.55 × 8,289,431.30
  4. Step 4: Simplify right side
    9,171,229.70x = 114,036,417,802,004.42
  5. Step 5: Solve for x
    x = 114,036,417,802,004.42/9,171,229.70
  6. Step 6: Final answer
    x = 12,434,146.95

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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.