Home / 9,072,908.11-12,512,202.96-6,621,636.43

Finding the Fourth Proportional to 9,072,908.11, 12,512,202.96 and 6,621,636.43

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Solution

The fourth proportional to 9,072,908.11, 12,512,202.96 and 6,621,636.43 is: 9,131,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,908.11 : 12,512,202.96 = 6,621,636.43 : x
  2. Step 2: Convert to fraction form
    9,072,908.11/12,512,202.96 = 6,621,636.43/x
  3. Step 3: Cross multiply
    9,072,908.11x = 12,512,202.96 × 6,621,636.43
  4. Step 4: Simplify right side
    9,072,908.11x = 82,851,258,942,714.53
  5. Step 5: Solve for x
    x = 82,851,258,942,714.53/9,072,908.11
  6. Step 6: Final answer
    x = 9,131,720.27

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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.