Home / 13,963,121.70-20,944,682.55-9,658,449.60

Finding the Fourth Proportional to 13,963,121.70, 20,944,682.55 and 9,658,449.60

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Solution

The fourth proportional to 13,963,121.70, 20,944,682.55 and 9,658,449.60 is: 14,487,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963,121.70 : 20,944,682.55 = 9,658,449.60 : x
  2. Step 2: Convert to fraction form
    13,963,121.70/20,944,682.55 = 9,658,449.60/x
  3. Step 3: Cross multiply
    13,963,121.70x = 20,944,682.55 × 9,658,449.60
  4. Step 4: Simplify right side
    13,963,121.70x = 202,293,160,797,174.47
  5. Step 5: Solve for x
    x = 202,293,160,797,174.47/13,963,121.70
  6. Step 6: Final answer
    x = 14,487,674.40

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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.