Home / 20,759,398.36-28,647,855.58-11,467,607.70

Finding the Fourth Proportional to 20,759,398.36, 28,647,855.58 and 11,467,607.70

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Solution

The fourth proportional to 20,759,398.36, 28,647,855.58 and 11,467,607.70 is: 15,825,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759,398.36 : 28,647,855.58 = 11,467,607.70 : x
  2. Step 2: Convert to fraction form
    20,759,398.36/28,647,855.58 = 11,467,607.70/x
  3. Step 3: Cross multiply
    20,759,398.36x = 28,647,855.58 × 11,467,607.70
  4. Step 4: Simplify right side
    20,759,398.36x = 328,522,369,237,695.94
  5. Step 5: Solve for x
    x = 328,522,369,237,695.94/20,759,398.36
  6. Step 6: Final answer
    x = 15,825,235.57

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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.