Home / 12,179,762.66-18,273,722.74-3,982,782.90

Finding the Fourth Proportional to 12,179,762.66, 18,273,722.74 and 3,982,782.90

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Solution

The fourth proportional to 12,179,762.66, 18,273,722.74 and 3,982,782.90 is: 5,975,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179,762.66 : 18,273,722.74 = 3,982,782.90 : x
  2. Step 2: Convert to fraction form
    12,179,762.66/18,273,722.74 = 3,982,782.90/x
  3. Step 3: Cross multiply
    12,179,762.66x = 18,273,722.74 × 3,982,782.90
  4. Step 4: Simplify right side
    12,179,762.66x = 72,780,270,448,213.14
  5. Step 5: Solve for x
    x = 72,780,270,448,213.14/12,179,762.66
  6. Step 6: Final answer
    x = 5,975,508.10

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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.