Home / 21,940,706.10-32,913,236.61-8,111,289.84

Finding the Fourth Proportional to 21,940,706.10, 32,913,236.61 and 8,111,289.84

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Solution

The fourth proportional to 21,940,706.10, 32,913,236.61 and 8,111,289.84 is: 12,167,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,940,706.10 : 32,913,236.61 = 8,111,289.84 : x
  2. Step 2: Convert to fraction form
    21,940,706.10/32,913,236.61 = 8,111,289.84/x
  3. Step 3: Cross multiply
    21,940,706.10x = 32,913,236.61 × 8,111,289.84
  4. Step 4: Simplify right side
    21,940,706.10x = 266,968,801,716,209.03
  5. Step 5: Solve for x
    x = 266,968,801,716,209.03/21,940,706.10
  6. Step 6: Final answer
    x = 12,167,739.75

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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.