Home / 14,043,493.80-21,029,811.30-11,209,141.80

Finding the Fourth Proportional to 14,043,493.80, 21,029,811.30 and 11,209,141.80

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Solution

The fourth proportional to 14,043,493.80, 21,029,811.30 and 11,209,141.80 is: 16,785,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043,493.80 : 21,029,811.30 = 11,209,141.80 : x
  2. Step 2: Convert to fraction form
    14,043,493.80/21,029,811.30 = 11,209,141.80/x
  3. Step 3: Cross multiply
    14,043,493.80x = 21,029,811.30 × 11,209,141.80
  4. Step 4: Simplify right side
    14,043,493.80x = 235,726,136,888,942.38
  5. Step 5: Solve for x
    x = 235,726,136,888,942.38/14,043,493.80
  6. Step 6: Final answer
    x = 16,785,433.90

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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.