Home / 20,734,951.92-31,060,790.07-10,328,828.64

Finding the Fourth Proportional to 20,734,951.92, 31,060,790.07 and 10,328,828.64

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Solution

The fourth proportional to 20,734,951.92, 31,060,790.07 and 10,328,828.64 is: 15,472,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,951.92 : 31,060,790.07 = 10,328,828.64 : x
  2. Step 2: Convert to fraction form
    20,734,951.92/31,060,790.07 = 10,328,828.64/x
  3. Step 3: Cross multiply
    20,734,951.92x = 31,060,790.07 × 10,328,828.64
  4. Step 4: Simplify right side
    20,734,951.92x = 320,821,578,056,043.62
  5. Step 5: Solve for x
    x = 320,821,578,056,043.62/20,734,951.92
  6. Step 6: Final answer
    x = 15,472,501.66

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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.