Home / 13,840,089.78-20,764,576.72-6,652,144.92

Finding the Fourth Proportional to 13,840,089.78, 20,764,576.72 and 6,652,144.92

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Solution

The fourth proportional to 13,840,089.78, 20,764,576.72 and 6,652,144.92 is: 9,980,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840,089.78 : 20,764,576.72 = 6,652,144.92 : x
  2. Step 2: Convert to fraction form
    13,840,089.78/20,764,576.72 = 6,652,144.92/x
  3. Step 3: Cross multiply
    13,840,089.78x = 20,764,576.72 × 6,652,144.92
  4. Step 4: Simplify right side
    13,840,089.78x = 138,128,973,543,898.25
  5. Step 5: Solve for x
    x = 138,128,973,543,898.25/13,840,089.78
  6. Step 6: Final answer
    x = 9,980,352.42

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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.