Home / 9,621,131-13,277,375.28-5,491,079.24

Finding the Fourth Proportional to 9,621,131, 13,277,375.28 and 5,491,079.24

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Solution

The fourth proportional to 9,621,131, 13,277,375.28 and 5,491,079.24 is: 7,577,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621,131 : 13,277,375.28 = 5,491,079.24 : x
  2. Step 2: Convert to fraction form
    9,621,131/13,277,375.28 = 5,491,079.24/x
  3. Step 3: Cross multiply
    9,621,131x = 13,277,375.28 × 5,491,079.24
  4. Step 4: Simplify right side
    9,621,131x = 72,907,119,761,697.19
  5. Step 5: Solve for x
    x = 72,907,119,761,697.19/9,621,131
  6. Step 6: Final answer
    x = 7,577,811.77

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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.