Home / 20,839,435.60-31,259,222.01-5,277,255.65

Finding the Fourth Proportional to 20,839,435.60, 31,259,222.01 and 5,277,255.65

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Solution

The fourth proportional to 20,839,435.60, 31,259,222.01 and 5,277,255.65 is: 7,915,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839,435.60 : 31,259,222.01 = 5,277,255.65 : x
  2. Step 2: Convert to fraction form
    20,839,435.60/31,259,222.01 = 5,277,255.65/x
  3. Step 3: Cross multiply
    20,839,435.60x = 31,259,222.01 × 5,277,255.65
  4. Step 4: Simplify right side
    20,839,435.60x = 164,962,906,096,210.84
  5. Step 5: Solve for x
    x = 164,962,906,096,210.84/20,839,435.60
  6. Step 6: Final answer
    x = 7,915,900.86

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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.