Home / 12,067,783.80-18,101,675.70-9,676,299.30

Finding the Fourth Proportional to 12,067,783.80, 18,101,675.70 and 9,676,299.30

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Solution

The fourth proportional to 12,067,783.80, 18,101,675.70 and 9,676,299.30 is: 14,514,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,783.80 : 18,101,675.70 = 9,676,299.30 : x
  2. Step 2: Convert to fraction form
    12,067,783.80/18,101,675.70 = 9,676,299.30/x
  3. Step 3: Cross multiply
    12,067,783.80x = 18,101,675.70 × 9,676,299.30
  4. Step 4: Simplify right side
    12,067,783.80x = 175,157,231,904,737.03
  5. Step 5: Solve for x
    x = 175,157,231,904,737.03/12,067,783.80
  6. Step 6: Final answer
    x = 14,514,448.95

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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.