Home / 20,100,516.26-30,146,928.51-7,804,479.86

Finding the Fourth Proportional to 20,100,516.26, 30,146,928.51 and 7,804,479.86

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Solution

The fourth proportional to 20,100,516.26, 30,146,928.51 and 7,804,479.86 is: 11,705,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100,516.26 : 30,146,928.51 = 7,804,479.86 : x
  2. Step 2: Convert to fraction form
    20,100,516.26/30,146,928.51 = 7,804,479.86/x
  3. Step 3: Cross multiply
    20,100,516.26x = 30,146,928.51 × 7,804,479.86
  4. Step 4: Simplify right side
    20,100,516.26x = 235,281,096,397,154.84
  5. Step 5: Solve for x
    x = 235,281,096,397,154.84/20,100,516.26
  6. Step 6: Final answer
    x = 11,705,226.54

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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.