Home / 27,867,686.44-38,455,284.18-15,642,181.48

Finding the Fourth Proportional to 27,867,686.44, 38,455,284.18 and 15,642,181.48

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Solution

The fourth proportional to 27,867,686.44, 38,455,284.18 and 15,642,181.48 is: 21,585,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867,686.44 : 38,455,284.18 = 15,642,181.48 : x
  2. Step 2: Convert to fraction form
    27,867,686.44/38,455,284.18 = 15,642,181.48/x
  3. Step 3: Cross multiply
    27,867,686.44x = 38,455,284.18 × 15,642,181.48
  4. Step 4: Simplify right side
    27,867,686.44x = 601,524,534,008,533
  5. Step 5: Solve for x
    x = 601,524,534,008,533/27,867,686.44
  6. Step 6: Final answer
    x = 21,585,018.74

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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.