Home / 18,514,650.69-27,776,410.17-7,725,950.07

Finding the Fourth Proportional to 18,514,650.69, 27,776,410.17 and 7,725,950.07

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Solution

The fourth proportional to 18,514,650.69, 27,776,410.17 and 7,725,950.07 is: 11,590,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514,650.69 : 27,776,410.17 = 7,725,950.07 : x
  2. Step 2: Convert to fraction form
    18,514,650.69/27,776,410.17 = 7,725,950.07/x
  3. Step 3: Cross multiply
    18,514,650.69x = 27,776,410.17 × 7,725,950.07
  4. Step 4: Simplify right side
    18,514,650.69x = 214,599,158,097,260.22
  5. Step 5: Solve for x
    x = 214,599,158,097,260.22/18,514,650.69
  6. Step 6: Final answer
    x = 11,590,775.42

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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.