Home / 12,798,370.94-17,661,752.49-6,917,985.86

Finding the Fourth Proportional to 12,798,370.94, 17,661,752.49 and 6,917,985.86

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Solution

The fourth proportional to 12,798,370.94, 17,661,752.49 and 6,917,985.86 is: 9,546,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,370.94 : 17,661,752.49 = 6,917,985.86 : x
  2. Step 2: Convert to fraction form
    12,798,370.94/17,661,752.49 = 6,917,985.86/x
  3. Step 3: Cross multiply
    12,798,370.94x = 17,661,752.49 × 6,917,985.86
  4. Step 4: Simplify right side
    12,798,370.94x = 122,183,753,900,331.03
  5. Step 5: Solve for x
    x = 122,183,753,900,331.03/12,798,370.94
  6. Step 6: Final answer
    x = 9,546,820.80

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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.