Home / 14,528,874.08-20,049,845.28-8,420,845.52

Finding the Fourth Proportional to 14,528,874.08, 20,049,845.28 and 8,420,845.52

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Solution

The fourth proportional to 14,528,874.08, 20,049,845.28 and 8,420,845.52 is: 11,620,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528,874.08 : 20,049,845.28 = 8,420,845.52 : x
  2. Step 2: Convert to fraction form
    14,528,874.08/20,049,845.28 = 8,420,845.52/x
  3. Step 3: Cross multiply
    14,528,874.08x = 20,049,845.28 × 8,420,845.52
  4. Step 4: Simplify right side
    14,528,874.08x = 168,836,649,802,781.16
  5. Step 5: Solve for x
    x = 168,836,649,802,781.16/14,528,874.08
  6. Step 6: Final answer
    x = 11,620,766.27

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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.