Home / 8,257,711.46-11,399,783.67-5,161,956.86

Finding the Fourth Proportional to 8,257,711.46, 11,399,783.67 and 5,161,956.86

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Solution

The fourth proportional to 8,257,711.46, 11,399,783.67 and 5,161,956.86 is: 7,126,089.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,711.46 : 11,399,783.67 = 5,161,956.86 : x
  2. Step 2: Convert to fraction form
    8,257,711.46/11,399,783.67 = 5,161,956.86/x
  3. Step 3: Cross multiply
    8,257,711.46x = 11,399,783.67 × 5,161,956.86
  4. Step 4: Simplify right side
    8,257,711.46x = 58,845,191,546,371.93
  5. Step 5: Solve for x
    x = 58,845,191,546,371.93/8,257,711.46
  6. Step 6: Final answer
    x = 7,126,089.58

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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.