Home / 13,863,687.36-20,800,455.84-6,186,633.72

Finding the Fourth Proportional to 13,863,687.36, 20,800,455.84 and 6,186,633.72

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Solution

The fourth proportional to 13,863,687.36, 20,800,455.84 and 6,186,633.72 is: 9,282,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863,687.36 : 20,800,455.84 = 6,186,633.72 : x
  2. Step 2: Convert to fraction form
    13,863,687.36/20,800,455.84 = 6,186,633.72/x
  3. Step 3: Cross multiply
    13,863,687.36x = 20,800,455.84 × 6,186,633.72
  4. Step 4: Simplify right side
    13,863,687.36x = 128,684,801,491,114.92
  5. Step 5: Solve for x
    x = 128,684,801,491,114.92/13,863,687.36
  6. Step 6: Final answer
    x = 9,282,148.26

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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.