Home / 12,182,405.30-18,264,750.60-4,990,237.10

Finding the Fourth Proportional to 12,182,405.30, 18,264,750.60 and 4,990,237.10

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Solution

The fourth proportional to 12,182,405.30, 18,264,750.60 and 4,990,237.10 is: 7,481,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182,405.30 : 18,264,750.60 = 4,990,237.10 : x
  2. Step 2: Convert to fraction form
    12,182,405.30/18,264,750.60 = 4,990,237.10/x
  3. Step 3: Cross multiply
    12,182,405.30x = 18,264,750.60 × 4,990,237.10
  4. Step 4: Simplify right side
    12,182,405.30x = 91,145,436,066,367.27
  5. Step 5: Solve for x
    x = 91,145,436,066,367.27/12,182,405.30
  6. Step 6: Final answer
    x = 7,481,727.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.