Home / 8,121,771.17-12,184,193-3,264,455.78

Finding the Fourth Proportional to 8,121,771.17, 12,184,193 and 3,264,455.78

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Solution

The fourth proportional to 8,121,771.17, 12,184,193 and 3,264,455.78 is: 4,897,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,771.17 : 12,184,193 = 3,264,455.78 : x
  2. Step 2: Convert to fraction form
    8,121,771.17/12,184,193 = 3,264,455.78/x
  3. Step 3: Cross multiply
    8,121,771.17x = 12,184,193 × 3,264,455.78
  4. Step 4: Simplify right side
    8,121,771.17x = 39,774,759,263,485.54
  5. Step 5: Solve for x
    x = 39,774,759,263,485.54/8,121,771.17
  6. Step 6: Final answer
    x = 4,897,301.15

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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.