Home / 19,642,397.31-27,097,119.90-15,261,500.97

Finding the Fourth Proportional to 19,642,397.31, 27,097,119.90 and 15,261,500.97

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Solution

The fourth proportional to 19,642,397.31, 27,097,119.90 and 15,261,500.97 is: 21,053,576.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642,397.31 : 27,097,119.90 = 15,261,500.97 : x
  2. Step 2: Convert to fraction form
    19,642,397.31/27,097,119.90 = 15,261,500.97/x
  3. Step 3: Cross multiply
    19,642,397.31x = 27,097,119.90 × 15,261,500.97
  4. Step 4: Simplify right side
    19,642,397.31x = 413,542,721,638,056.31
  5. Step 5: Solve for x
    x = 413,542,721,638,056.31/19,642,397.31
  6. Step 6: Final answer
    x = 21,053,576.87

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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.