Home / 22,524,820-31,109,912.40-15,268,878.88

Finding the Fourth Proportional to 22,524,820, 31,109,912.40 and 15,268,878.88

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Solution

The fourth proportional to 22,524,820, 31,109,912.40 and 15,268,878.88 is: 21,088,447.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,524,820 : 31,109,912.40 = 15,268,878.88 : x
  2. Step 2: Convert to fraction form
    22,524,820/31,109,912.40 = 15,268,878.88/x
  3. Step 3: Cross multiply
    22,524,820x = 31,109,912.40 × 15,268,878.88
  4. Step 4: Simplify right side
    22,524,820x = 475,013,484,403,010.12
  5. Step 5: Solve for x
    x = 475,013,484,403,010.12/22,524,820
  6. Step 6: Final answer
    x = 21,088,447.52

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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.