Home / 8,131,684.56-12,197,461.02-2,066,433.72

Finding the Fourth Proportional to 8,131,684.56, 12,197,461.02 and 2,066,433.72

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Solution

The fourth proportional to 8,131,684.56, 12,197,461.02 and 2,066,433.72 is: 3,099,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,684.56 : 12,197,461.02 = 2,066,433.72 : x
  2. Step 2: Convert to fraction form
    8,131,684.56/12,197,461.02 = 2,066,433.72/x
  3. Step 3: Cross multiply
    8,131,684.56x = 12,197,461.02 × 2,066,433.72
  4. Step 4: Simplify right side
    8,131,684.56x = 25,205,244,750,113.59
  5. Step 5: Solve for x
    x = 25,205,244,750,113.59/8,131,684.56
  6. Step 6: Final answer
    x = 3,099,633.85

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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.