Home / 18,514,643.17-27,776,398.91-7,725,942.54

Finding the Fourth Proportional to 18,514,643.17, 27,776,398.91 and 7,725,942.54

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Solution

The fourth proportional to 18,514,643.17, 27,776,398.91 and 7,725,942.54 is: 11,590,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514,643.17 : 27,776,398.91 = 7,725,942.54 : x
  2. Step 2: Convert to fraction form
    18,514,643.17/27,776,398.91 = 7,725,942.54/x
  3. Step 3: Cross multiply
    18,514,643.17x = 27,776,398.91 × 7,725,942.54
  4. Step 4: Simplify right side
    18,514,643.17x = 214,598,861,946,778.62
  5. Step 5: Solve for x
    x = 214,598,861,946,778.62/18,514,643.17
  6. Step 6: Final answer
    x = 11,590,764.13

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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.