Home / 12,101,682.79-18,157,884.73-6,343,047.86

Finding the Fourth Proportional to 12,101,682.79, 18,157,884.73 and 6,343,047.86

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Solution

The fourth proportional to 12,101,682.79, 18,157,884.73 and 6,343,047.86 is: 9,517,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,682.79 : 18,157,884.73 = 6,343,047.86 : x
  2. Step 2: Convert to fraction form
    12,101,682.79/18,157,884.73 = 6,343,047.86/x
  3. Step 3: Cross multiply
    12,101,682.79x = 18,157,884.73 × 6,343,047.86
  4. Step 4: Simplify right side
    12,101,682.79x = 115,176,331,858,856.66
  5. Step 5: Solve for x
    x = 115,176,331,858,856.66/12,101,682.79
  6. Step 6: Final answer
    x = 9,517,381.50

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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.