Home / 13,563,794.10-20,348,315.55-3,979,485.30

Finding the Fourth Proportional to 13,563,794.10, 20,348,315.55 and 3,979,485.30

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Solution

The fourth proportional to 13,563,794.10, 20,348,315.55 and 3,979,485.30 is: 5,969,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,794.10 : 20,348,315.55 = 3,979,485.30 : x
  2. Step 2: Convert to fraction form
    13,563,794.10/20,348,315.55 = 3,979,485.30/x
  3. Step 3: Cross multiply
    13,563,794.10x = 20,348,315.55 × 3,979,485.30
  4. Step 4: Simplify right side
    13,563,794.10x = 80,975,822,610,986.42
  5. Step 5: Solve for x
    x = 80,975,822,610,986.42/13,563,794.10
  6. Step 6: Final answer
    x = 5,969,997.92

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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.