Home / 12,151,686.17-18,231,520.53-4,969,261.05

Finding the Fourth Proportional to 12,151,686.17, 18,231,520.53 and 4,969,261.05

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Solution

The fourth proportional to 12,151,686.17, 18,231,520.53 and 4,969,261.05 is: 7,455,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,686.17 : 18,231,520.53 = 4,969,261.05 : x
  2. Step 2: Convert to fraction form
    12,151,686.17/18,231,520.53 = 4,969,261.05/x
  3. Step 3: Cross multiply
    12,151,686.17x = 18,231,520.53 × 4,969,261.05
  4. Step 4: Simplify right side
    12,151,686.17x = 90,597,184,852,004.36
  5. Step 5: Solve for x
    x = 90,597,184,852,004.36/12,151,686.17
  6. Step 6: Final answer
    x = 7,455,523.75

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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.