Home / 12,062,711.70-18,094,067.55-7,952,901.30

Finding the Fourth Proportional to 12,062,711.70, 18,094,067.55 and 7,952,901.30

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Solution

The fourth proportional to 12,062,711.70, 18,094,067.55 and 7,952,901.30 is: 11,929,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062,711.70 : 18,094,067.55 = 7,952,901.30 : x
  2. Step 2: Convert to fraction form
    12,062,711.70/18,094,067.55 = 7,952,901.30/x
  3. Step 3: Cross multiply
    12,062,711.70x = 18,094,067.55 × 7,952,901.30
  4. Step 4: Simplify right side
    12,062,711.70x = 143,900,333,340,682.81
  5. Step 5: Solve for x
    x = 143,900,333,340,682.81/12,062,711.70
  6. Step 6: Final answer
    x = 11,929,351.95

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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.