Home / 14,747,983.60-20,351,771.72-8,132,568.51

Finding the Fourth Proportional to 14,747,983.60, 20,351,771.72 and 8,132,568.51

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Solution

The fourth proportional to 14,747,983.60, 20,351,771.72 and 8,132,568.51 is: 11,222,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747,983.60 : 20,351,771.72 = 8,132,568.51 : x
  2. Step 2: Convert to fraction form
    14,747,983.60/20,351,771.72 = 8,132,568.51/x
  3. Step 3: Cross multiply
    14,747,983.60x = 20,351,771.72 × 8,132,568.51
  4. Step 4: Simplify right side
    14,747,983.60x = 165,512,177,812,780.53
  5. Step 5: Solve for x
    x = 165,512,177,812,780.53/14,747,983.60
  6. Step 6: Final answer
    x = 11,222,698.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.