Home / 20,215,790.40-30,325,275.36-6,752,665.92

Finding the Fourth Proportional to 20,215,790.40, 30,325,275.36 and 6,752,665.92

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Solution

The fourth proportional to 20,215,790.40, 30,325,275.36 and 6,752,665.92 is: 10,129,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,790.40 : 30,325,275.36 = 6,752,665.92 : x
  2. Step 2: Convert to fraction form
    20,215,790.40/30,325,275.36 = 6,752,665.92/x
  3. Step 3: Cross multiply
    20,215,790.40x = 30,325,275.36 × 6,752,665.92
  4. Step 4: Simplify right side
    20,215,790.40x = 204,776,453,438,087.72
  5. Step 5: Solve for x
    x = 204,776,453,438,087.72/20,215,790.40
  6. Step 6: Final answer
    x = 10,129,529.91

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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.