Home / 13,983,137.80-20,939,277.30-11,148,785.80

Finding the Fourth Proportional to 13,983,137.80, 20,939,277.30 and 11,148,785.80

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Solution

The fourth proportional to 13,983,137.80, 20,939,277.30 and 11,148,785.80 is: 16,694,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983,137.80 : 20,939,277.30 = 11,148,785.80 : x
  2. Step 2: Convert to fraction form
    13,983,137.80/20,939,277.30 = 11,148,785.80/x
  3. Step 3: Cross multiply
    13,983,137.80x = 20,939,277.30 × 11,148,785.80
  4. Step 4: Simplify right side
    13,983,137.80x = 233,447,517,424,502.38
  5. Step 5: Solve for x
    x = 233,447,517,424,502.38/13,983,137.80
  6. Step 6: Final answer
    x = 16,694,930.76

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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.