Home / 20,997,255.44-28,976,209.80-11,339,463.44

Finding the Fourth Proportional to 20,997,255.44, 28,976,209.80 and 11,339,463.44

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Solution

The fourth proportional to 20,997,255.44, 28,976,209.80 and 11,339,463.44 is: 15,648,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,255.44 : 28,976,209.80 = 11,339,463.44 : x
  2. Step 2: Convert to fraction form
    20,997,255.44/28,976,209.80 = 11,339,463.44/x
  3. Step 3: Cross multiply
    20,997,255.44x = 28,976,209.80 × 11,339,463.44
  4. Step 4: Simplify right side
    20,997,255.44x = 328,574,671,656,869.69
  5. Step 5: Solve for x
    x = 328,574,671,656,869.69/20,997,255.44
  6. Step 6: Final answer
    x = 15,648,458.09

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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.