Home / 17,960,015.20-26,940,022.80-7,729,775.95

Finding the Fourth Proportional to 17,960,015.20, 26,940,022.80 and 7,729,775.95

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Solution

The fourth proportional to 17,960,015.20, 26,940,022.80 and 7,729,775.95 is: 11,594,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960,015.20 : 26,940,022.80 = 7,729,775.95 : x
  2. Step 2: Convert to fraction form
    17,960,015.20/26,940,022.80 = 7,729,775.95/x
  3. Step 3: Cross multiply
    17,960,015.20x = 26,940,022.80 × 7,729,775.95
  4. Step 4: Simplify right side
    17,960,015.20x = 208,240,340,331,891.66
  5. Step 5: Solve for x
    x = 208,240,340,331,891.66/17,960,015.20
  6. Step 6: Final answer
    x = 11,594,663.93

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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.