Home / 14,414,042.31-19,891,376.48-7,887,672.54

Finding the Fourth Proportional to 14,414,042.31, 19,891,376.48 and 7,887,672.54

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Solution

The fourth proportional to 14,414,042.31, 19,891,376.48 and 7,887,672.54 is: 10,884,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414,042.31 : 19,891,376.48 = 7,887,672.54 : x
  2. Step 2: Convert to fraction form
    14,414,042.31/19,891,376.48 = 7,887,672.54/x
  3. Step 3: Cross multiply
    14,414,042.31x = 19,891,376.48 × 7,887,672.54
  4. Step 4: Simplify right side
    14,414,042.31x = 156,896,664,063,817.06
  5. Step 5: Solve for x
    x = 156,896,664,063,817.06/14,414,042.31
  6. Step 6: Final answer
    x = 10,884,987.07

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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.