Home / 13,697,519.82-20,545,781.37-4,112,649.28

Finding the Fourth Proportional to 13,697,519.82, 20,545,781.37 and 4,112,649.28

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Solution

The fourth proportional to 13,697,519.82, 20,545,781.37 and 4,112,649.28 is: 6,168,824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697,519.82 : 20,545,781.37 = 4,112,649.28 : x
  2. Step 2: Convert to fraction form
    13,697,519.82/20,545,781.37 = 4,112,649.28/x
  3. Step 3: Cross multiply
    13,697,519.82x = 20,545,781.37 × 4,112,649.28
  4. Step 4: Simplify right side
    13,697,519.82x = 84,497,592,958,367.91
  5. Step 5: Solve for x
    x = 84,497,592,958,367.91/13,697,519.82
  6. Step 6: Final answer
    x = 6,168,824.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.