Home / 13,929,400.77-19,222,573.11-7,817,829.27

Finding the Fourth Proportional to 13,929,400.77, 19,222,573.11 and 7,817,829.27

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Solution

The fourth proportional to 13,929,400.77, 19,222,573.11 and 7,817,829.27 is: 10,788,604.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929,400.77 : 19,222,573.11 = 7,817,829.27 : x
  2. Step 2: Convert to fraction form
    13,929,400.77/19,222,573.11 = 7,817,829.27/x
  3. Step 3: Cross multiply
    13,929,400.77x = 19,222,573.11 × 7,817,829.27
  4. Step 4: Simplify right side
    13,929,400.77x = 150,278,794,704,072.91
  5. Step 5: Solve for x
    x = 150,278,794,704,072.91/13,929,400.77
  6. Step 6: Final answer
    x = 10,788,604.42

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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.