Home / 20,606,198.46-28,437,878.07-11,904,737.82

Finding the Fourth Proportional to 20,606,198.46, 28,437,878.07 and 11,904,737.82

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Solution

The fourth proportional to 20,606,198.46, 28,437,878.07 and 11,904,737.82 is: 16,429,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,606,198.46 : 28,437,878.07 = 11,904,737.82 : x
  2. Step 2: Convert to fraction form
    20,606,198.46/28,437,878.07 = 11,904,737.82/x
  3. Step 3: Cross multiply
    20,606,198.46x = 28,437,878.07 × 11,904,737.82
  4. Step 4: Simplify right side
    20,606,198.46x = 338,545,482,580,477.62
  5. Step 5: Solve for x
    x = 338,545,482,580,477.62/20,606,198.46
  6. Step 6: Final answer
    x = 16,429,303.21

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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.