Home / 12,229,723.02-16,878,654.90-7,891,422.24

Finding the Fourth Proportional to 12,229,723.02, 16,878,654.90 and 7,891,422.24

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Solution

The fourth proportional to 12,229,723.02, 16,878,654.90 and 7,891,422.24 is: 10,891,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229,723.02 : 16,878,654.90 = 7,891,422.24 : x
  2. Step 2: Convert to fraction form
    12,229,723.02/16,878,654.90 = 7,891,422.24/x
  3. Step 3: Cross multiply
    12,229,723.02x = 16,878,654.90 × 7,891,422.24
  4. Step 4: Simplify right side
    12,229,723.02x = 133,196,592,659,144.97
  5. Step 5: Solve for x
    x = 133,196,592,659,144.97/12,229,723.02
  6. Step 6: Final answer
    x = 10,891,219.08

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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.