Home / 19,160,728.72-28,741,501.24-6,865,494.96

Finding the Fourth Proportional to 19,160,728.72, 28,741,501.24 and 6,865,494.96

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Solution

The fourth proportional to 19,160,728.72, 28,741,501.24 and 6,865,494.96 is: 10,298,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160,728.72 : 28,741,501.24 = 6,865,494.96 : x
  2. Step 2: Convert to fraction form
    19,160,728.72/28,741,501.24 = 6,865,494.96/x
  3. Step 3: Cross multiply
    19,160,728.72x = 28,741,501.24 × 6,865,494.96
  4. Step 4: Simplify right side
    19,160,728.72x = 197,324,631,906,053.75
  5. Step 5: Solve for x
    x = 197,324,631,906,053.75/19,160,728.72
  6. Step 6: Final answer
    x = 10,298,388.69

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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.