Home / 13,831,743.10-20,733,617.85-8,149,042.30

Finding the Fourth Proportional to 13,831,743.10, 20,733,617.85 and 8,149,042.30

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Solution

The fourth proportional to 13,831,743.10, 20,733,617.85 and 8,149,042.30 is: 12,215,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,743.10 : 20,733,617.85 = 8,149,042.30 : x
  2. Step 2: Convert to fraction form
    13,831,743.10/20,733,617.85 = 8,149,042.30/x
  3. Step 3: Cross multiply
    13,831,743.10x = 20,733,617.85 × 8,149,042.30
  4. Step 4: Simplify right side
    13,831,743.10x = 168,959,128,891,685.06
  5. Step 5: Solve for x
    x = 168,959,128,891,685.06/13,831,743.10
  6. Step 6: Final answer
    x = 12,215,317.16

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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.