Home / 20,596,506.75-30,899,188.80-6,949,991.25

Finding the Fourth Proportional to 20,596,506.75, 30,899,188.80 and 6,949,991.25

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Solution

The fourth proportional to 20,596,506.75, 30,899,188.80 and 6,949,991.25 is: 10,426,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596,506.75 : 30,899,188.80 = 6,949,991.25 : x
  2. Step 2: Convert to fraction form
    20,596,506.75/30,899,188.80 = 6,949,991.25/x
  3. Step 3: Cross multiply
    20,596,506.75x = 30,899,188.80 × 6,949,991.25
  4. Step 4: Simplify right side
    20,596,506.75x = 214,749,091,792,098
  5. Step 5: Solve for x
    x = 214,749,091,792,098/20,596,506.75
  6. Step 6: Final answer
    x = 10,426,481.27

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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.