Home / 10,891,039.53-16,326,288.76-5,420,962.65

Finding the Fourth Proportional to 10,891,039.53, 16,326,288.76 and 5,420,962.65

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Solution

The fourth proportional to 10,891,039.53, 16,326,288.76 and 5,420,962.65 is: 8,126,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,039.53 : 16,326,288.76 = 5,420,962.65 : x
  2. Step 2: Convert to fraction form
    10,891,039.53/16,326,288.76 = 5,420,962.65/x
  3. Step 3: Cross multiply
    10,891,039.53x = 16,326,288.76 × 5,420,962.65
  4. Step 4: Simplify right side
    10,891,039.53x = 88,504,201,539,423.94
  5. Step 5: Solve for x
    x = 88,504,201,539,423.94/10,891,039.53
  6. Step 6: Final answer
    x = 8,126,331.86

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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.