Home / 13,410,205.38-20,118,306.60-4,890,541.86

Finding the Fourth Proportional to 13,410,205.38, 20,118,306.60 and 4,890,541.86

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Solution

The fourth proportional to 13,410,205.38, 20,118,306.60 and 4,890,541.86 is: 7,336,906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,205.38 : 20,118,306.60 = 4,890,541.86 : x
  2. Step 2: Convert to fraction form
    13,410,205.38/20,118,306.60 = 4,890,541.86/x
  3. Step 3: Cross multiply
    13,410,205.38x = 20,118,306.60 × 4,890,541.86
  4. Step 4: Simplify right side
    13,410,205.38x = 98,389,420,579,614.30
  5. Step 5: Solve for x
    x = 98,389,420,579,614.30/13,410,205.38
  6. Step 6: Final answer
    x = 7,336,906.32

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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.