Home / 22,612,165.22-31,201,955.78-15,285,938.78

Finding the Fourth Proportional to 22,612,165.22, 31,201,955.78 and 15,285,938.78

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Solution

The fourth proportional to 22,612,165.22, 31,201,955.78 and 15,285,938.78 is: 21,092,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612,165.22 : 31,201,955.78 = 15,285,938.78 : x
  2. Step 2: Convert to fraction form
    22,612,165.22/31,201,955.78 = 15,285,938.78/x
  3. Step 3: Cross multiply
    22,612,165.22x = 31,201,955.78 × 15,285,938.78
  4. Step 4: Simplify right side
    22,612,165.22x = 476,951,185,869,347.12
  5. Step 5: Solve for x
    x = 476,951,185,869,347.12/22,612,165.22
  6. Step 6: Final answer
    x = 21,092,680.92

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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.