Home / 21,509,377.80-29,685,033.14-16,067,421.96

Finding the Fourth Proportional to 21,509,377.80, 29,685,033.14 and 16,067,421.96

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Solution

The fourth proportional to 21,509,377.80, 29,685,033.14 and 16,067,421.96 is: 22,174,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509,377.80 : 29,685,033.14 = 16,067,421.96 : x
  2. Step 2: Convert to fraction form
    21,509,377.80/29,685,033.14 = 16,067,421.96/x
  3. Step 3: Cross multiply
    21,509,377.80x = 29,685,033.14 × 16,067,421.96
  4. Step 4: Simplify right side
    21,509,377.80x = 476,961,953,356,963.81
  5. Step 5: Solve for x
    x = 476,961,953,356,963.81/21,509,377.80
  6. Step 6: Final answer
    x = 22,174,604.85

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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.