Home / 22,500,758.94-31,051,056.15-12,187,450.14

Finding the Fourth Proportional to 22,500,758.94, 31,051,056.15 and 12,187,450.14

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Solution

The fourth proportional to 22,500,758.94, 31,051,056.15 and 12,187,450.14 is: 16,818,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,500,758.94 : 31,051,056.15 = 12,187,450.14 : x
  2. Step 2: Convert to fraction form
    22,500,758.94/31,051,056.15 = 12,187,450.14/x
  3. Step 3: Cross multiply
    22,500,758.94x = 31,051,056.15 × 12,187,450.14
  4. Step 4: Simplify right side
    22,500,758.94x = 378,433,198,622,465.38
  5. Step 5: Solve for x
    x = 378,433,198,622,465.38/22,500,758.94
  6. Step 6: Final answer
    x = 16,818,685.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.