Home / 20,704,659.96-31,053,622.86-9,774,828.54

Finding the Fourth Proportional to 20,704,659.96, 31,053,622.86 and 9,774,828.54

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Solution

The fourth proportional to 20,704,659.96, 31,053,622.86 and 9,774,828.54 is: 14,660,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704,659.96 : 31,053,622.86 = 9,774,828.54 : x
  2. Step 2: Convert to fraction form
    20,704,659.96/31,053,622.86 = 9,774,828.54/x
  3. Step 3: Cross multiply
    20,704,659.96x = 31,053,622.86 × 9,774,828.54
  4. Step 4: Simplify right side
    20,704,659.96x = 303,543,839,002,324.38
  5. Step 5: Solve for x
    x = 303,543,839,002,324.38/20,704,659.96
  6. Step 6: Final answer
    x = 14,660,653.19

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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.