Home / 20,319,009.49-28,040,251.17-11,026,579.47

Finding the Fourth Proportional to 20,319,009.49, 28,040,251.17 and 11,026,579.47

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Solution

The fourth proportional to 20,319,009.49, 28,040,251.17 and 11,026,579.47 is: 15,216,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,319,009.49 : 28,040,251.17 = 11,026,579.47 : x
  2. Step 2: Convert to fraction form
    20,319,009.49/28,040,251.17 = 11,026,579.47/x
  3. Step 3: Cross multiply
    20,319,009.49x = 28,040,251.17 × 11,026,579.47
  4. Step 4: Simplify right side
    20,319,009.49x = 309,188,057,884,765.50
  5. Step 5: Solve for x
    x = 309,188,057,884,765.50/20,319,009.49
  6. Step 6: Final answer
    x = 15,216,689.48

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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.