Home / 10,890,990.12-16,341,996.42-4,505,824.92

Finding the Fourth Proportional to 10,890,990.12, 16,341,996.42 and 4,505,824.92

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Solution

The fourth proportional to 10,890,990.12, 16,341,996.42 and 4,505,824.92 is: 6,761,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,990.12 : 16,341,996.42 = 4,505,824.92 : x
  2. Step 2: Convert to fraction form
    10,890,990.12/16,341,996.42 = 4,505,824.92/x
  3. Step 3: Cross multiply
    10,890,990.12x = 16,341,996.42 × 4,505,824.92
  4. Step 4: Simplify right side
    10,890,990.12x = 73,634,174,711,786.78
  5. Step 5: Solve for x
    x = 73,634,174,711,786.78/10,890,990.12
  6. Step 6: Final answer
    x = 6,761,017.49

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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.