Home / 20,185,979.25-27,856,295.91-11,483,966.37

Finding the Fourth Proportional to 20,185,979.25, 27,856,295.91 and 11,483,966.37

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Solution

The fourth proportional to 20,185,979.25, 27,856,295.91 and 11,483,966.37 is: 15,847,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,979.25 : 27,856,295.91 = 11,483,966.37 : x
  2. Step 2: Convert to fraction form
    20,185,979.25/27,856,295.91 = 11,483,966.37/x
  3. Step 3: Cross multiply
    20,185,979.25x = 27,856,295.91 × 11,483,966.37
  4. Step 4: Simplify right side
    20,185,979.25x = 319,900,765,423,208.50
  5. Step 5: Solve for x
    x = 319,900,765,423,208.50/20,185,979.25
  6. Step 6: Final answer
    x = 15,847,671.37

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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.