Home / 6,678,958.02-9,216,979.82-3,623,172.28

Finding the Fourth Proportional to 6,678,958.02, 9,216,979.82 and 3,623,172.28

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Solution

The fourth proportional to 6,678,958.02, 9,216,979.82 and 3,623,172.28 is: 4,999,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678,958.02 : 9,216,979.82 = 3,623,172.28 : x
  2. Step 2: Convert to fraction form
    6,678,958.02/9,216,979.82 = 3,623,172.28/x
  3. Step 3: Cross multiply
    6,678,958.02x = 9,216,979.82 × 3,623,172.28
  4. Step 4: Simplify right side
    6,678,958.02x = 33,394,705,789,143.39
  5. Step 5: Solve for x
    x = 33,394,705,789,143.39/6,678,958.02
  6. Step 6: Final answer
    x = 4,999,987.38

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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.