Home / 6,697,990.60-9,243,121.62-3,642,178.12

Finding the Fourth Proportional to 6,697,990.60, 9,243,121.62 and 3,642,178.12

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Solution

The fourth proportional to 6,697,990.60, 9,243,121.62 and 3,642,178.12 is: 5,026,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,697,990.60 : 9,243,121.62 = 3,642,178.12 : x
  2. Step 2: Convert to fraction form
    6,697,990.60/9,243,121.62 = 3,642,178.12/x
  3. Step 3: Cross multiply
    6,697,990.60x = 9,243,121.62 × 3,642,178.12
  4. Step 4: Simplify right side
    6,697,990.60x = 33,665,095,324,862.95
  5. Step 5: Solve for x
    x = 33,665,095,324,862.95/6,697,990.60
  6. Step 6: Final answer
    x = 5,026,148.49

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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.