Home / 10,609,830.82-15,917,851.77-3,421,220.14

Finding the Fourth Proportional to 10,609,830.82, 15,917,851.77 and 3,421,220.14

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Solution

The fourth proportional to 10,609,830.82, 15,917,851.77 and 3,421,220.14 is: 5,132,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609,830.82 : 15,917,851.77 = 3,421,220.14 : x
  2. Step 2: Convert to fraction form
    10,609,830.82/15,917,851.77 = 3,421,220.14/x
  3. Step 3: Cross multiply
    10,609,830.82x = 15,917,851.77 × 3,421,220.14
  4. Step 4: Simplify right side
    10,609,830.82x = 54,458,475,061,058.65
  5. Step 5: Solve for x
    x = 54,458,475,061,058.65/10,609,830.82
  6. Step 6: Final answer
    x = 5,132,831.61

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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.