Home / 18,386,089.74-27,559,976.49-10,287,191.34

Finding the Fourth Proportional to 18,386,089.74, 27,559,976.49 and 10,287,191.34

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Solution

The fourth proportional to 18,386,089.74, 27,559,976.49 and 10,287,191.34 is: 15,420,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,089.74 : 27,559,976.49 = 10,287,191.34 : x
  2. Step 2: Convert to fraction form
    18,386,089.74/27,559,976.49 = 10,287,191.34/x
  3. Step 3: Cross multiply
    18,386,089.74x = 27,559,976.49 × 10,287,191.34
  4. Step 4: Simplify right side
    18,386,089.74x = 283,514,751,478,531.56
  5. Step 5: Solve for x
    x = 283,514,751,478,531.56/18,386,089.74
  6. Step 6: Final answer
    x = 15,420,067.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.