Home / 12,791,305.24-17,652,232.02-6,990,331.48

Finding the Fourth Proportional to 12,791,305.24, 17,652,232.02 and 6,990,331.48

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Solution

The fourth proportional to 12,791,305.24, 17,652,232.02 and 6,990,331.48 is: 9,646,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,305.24 : 17,652,232.02 = 6,990,331.48 : x
  2. Step 2: Convert to fraction form
    12,791,305.24/17,652,232.02 = 6,990,331.48/x
  3. Step 3: Cross multiply
    12,791,305.24x = 17,652,232.02 × 6,990,331.48
  4. Step 4: Simplify right side
    12,791,305.24x = 123,394,953,181,670
  5. Step 5: Solve for x
    x = 123,394,953,181,670/12,791,305.24
  6. Step 6: Final answer
    x = 9,646,783.57

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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.