Home / 12,798,370.43-17,661,751.79-6,917,985.35

Finding the Fourth Proportional to 12,798,370.43, 17,661,751.79 and 6,917,985.35

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Solution

The fourth proportional to 12,798,370.43, 17,661,751.79 and 6,917,985.35 is: 9,546,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,370.43 : 17,661,751.79 = 6,917,985.35 : x
  2. Step 2: Convert to fraction form
    12,798,370.43/17,661,751.79 = 6,917,985.35/x
  3. Step 3: Cross multiply
    12,798,370.43x = 17,661,751.79 × 6,917,985.35
  4. Step 4: Simplify right side
    12,798,370.43x = 122,183,740,138,556.27
  5. Step 5: Solve for x
    x = 122,183,740,138,556.27/12,798,370.43
  6. Step 6: Final answer
    x = 9,546,820.11

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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.