Home / 20,949,913.11-28,924,163.06-14,345,553.41

Finding the Fourth Proportional to 20,949,913.11, 28,924,163.06 and 14,345,553.41

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Solution

The fourth proportional to 20,949,913.11, 28,924,163.06 and 14,345,553.41 is: 19,805,959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,949,913.11 : 28,924,163.06 = 14,345,553.41 : x
  2. Step 2: Convert to fraction form
    20,949,913.11/28,924,163.06 = 14,345,553.41/x
  3. Step 3: Cross multiply
    20,949,913.11x = 28,924,163.06 × 14,345,553.41
  4. Step 4: Simplify right side
    20,949,913.11x = 414,933,125,800,430.44
  5. Step 5: Solve for x
    x = 414,933,125,800,430.44/20,949,913.11
  6. Step 6: Final answer
    x = 19,805,959.27

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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.