Home / 8,917,251.40-12,306,857.46-5,295,579.40

Finding the Fourth Proportional to 8,917,251.40, 12,306,857.46 and 5,295,579.40

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Solution

The fourth proportional to 8,917,251.40, 12,306,857.46 and 5,295,579.40 is: 7,308,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,251.40 : 12,306,857.46 = 5,295,579.40 : x
  2. Step 2: Convert to fraction form
    8,917,251.40/12,306,857.46 = 5,295,579.40/x
  3. Step 3: Cross multiply
    8,917,251.40x = 12,306,857.46 × 5,295,579.40
  4. Step 4: Simplify right side
    8,917,251.40x = 65,171,940,843,912.34
  5. Step 5: Solve for x
    x = 65,171,940,843,912.34/8,917,251.40
  6. Step 6: Final answer
    x = 7,308,523.44

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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.