Home / 12,821,689.24-17,693,796.86-6,941,191.90

Finding the Fourth Proportional to 12,821,689.24, 17,693,796.86 and 6,941,191.90

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Solution

The fourth proportional to 12,821,689.24, 17,693,796.86 and 6,941,191.90 is: 9,578,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,689.24 : 17,693,796.86 = 6,941,191.90 : x
  2. Step 2: Convert to fraction form
    12,821,689.24/17,693,796.86 = 6,941,191.90/x
  3. Step 3: Cross multiply
    12,821,689.24x = 17,693,796.86 × 6,941,191.90
  4. Step 4: Simplify right side
    12,821,689.24x = 122,816,039,444,877.44
  5. Step 5: Solve for x
    x = 122,816,039,444,877.44/12,821,689.24
  6. Step 6: Final answer
    x = 9,578,772.12

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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.