Home / 13,425,541.20-20,138,311.80-3,841,491.60

Finding the Fourth Proportional to 13,425,541.20, 20,138,311.80 and 3,841,491.60

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Solution

The fourth proportional to 13,425,541.20, 20,138,311.80 and 3,841,491.60 is: 5,762,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425,541.20 : 20,138,311.80 = 3,841,491.60 : x
  2. Step 2: Convert to fraction form
    13,425,541.20/20,138,311.80 = 3,841,491.60/x
  3. Step 3: Cross multiply
    13,425,541.20x = 20,138,311.80 × 3,841,491.60
  4. Step 4: Simplify right side
    13,425,541.20x = 77,361,155,617,880.89
  5. Step 5: Solve for x
    x = 77,361,155,617,880.89/13,425,541.20
  6. Step 6: Final answer
    x = 5,762,237.40

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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.