Home / 12,071,367.72-16,655,571.48-7,659,484.68

Finding the Fourth Proportional to 12,071,367.72, 16,655,571.48 and 7,659,484.68

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Solution

The fourth proportional to 12,071,367.72, 16,655,571.48 and 7,659,484.68 is: 10,568,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071,367.72 : 16,655,571.48 = 7,659,484.68 : x
  2. Step 2: Convert to fraction form
    12,071,367.72/16,655,571.48 = 7,659,484.68/x
  3. Step 3: Cross multiply
    12,071,367.72x = 16,655,571.48 × 7,659,484.68
  4. Step 4: Simplify right side
    12,071,367.72x = 127,573,094,587,704.92
  5. Step 5: Solve for x
    x = 127,573,094,587,704.92/12,071,367.72
  6. Step 6: Final answer
    x = 10,568,238.62

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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.