Home / 27,867,689.44-38,455,288.32-15,642,184.48

Finding the Fourth Proportional to 27,867,689.44, 38,455,288.32 and 15,642,184.48

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Solution

The fourth proportional to 27,867,689.44, 38,455,288.32 and 15,642,184.48 is: 21,585,022.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867,689.44 : 38,455,288.32 = 15,642,184.48 : x
  2. Step 2: Convert to fraction form
    27,867,689.44/38,455,288.32 = 15,642,184.48/x
  3. Step 3: Cross multiply
    27,867,689.44x = 38,455,288.32 × 15,642,184.48
  4. Step 4: Simplify right side
    27,867,689.44x = 601,524,714,133,029.25
  5. Step 5: Solve for x
    x = 601,524,714,133,029.25/27,867,689.44
  6. Step 6: Final answer
    x = 21,585,022.88

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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.