Home / 20,455,933.41-28,229,786.58-11,164,099.45

Finding the Fourth Proportional to 20,455,933.41, 28,229,786.58 and 11,164,099.45

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Solution

The fourth proportional to 20,455,933.41, 28,229,786.58 and 11,164,099.45 is: 15,406,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,933.41 : 28,229,786.58 = 11,164,099.45 : x
  2. Step 2: Convert to fraction form
    20,455,933.41/28,229,786.58 = 11,164,099.45/x
  3. Step 3: Cross multiply
    20,455,933.41x = 28,229,786.58 × 11,164,099.45
  4. Step 4: Simplify right side
    20,455,933.41x = 315,160,144,690,246.44
  5. Step 5: Solve for x
    x = 315,160,144,690,246.44/20,455,933.41
  6. Step 6: Final answer
    x = 15,406,783.86

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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.