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Finding the Fourth Proportional to 16,391,336.22, 22,623,004.98 and 9,776,348.82

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Solution

The fourth proportional to 16,391,336.22, 22,623,004.98 and 9,776,348.82 is: 13,493,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391,336.22 : 22,623,004.98 = 9,776,348.82 : x
  2. Step 2: Convert to fraction form
    16,391,336.22/22,623,004.98 = 9,776,348.82/x
  3. Step 3: Cross multiply
    16,391,336.22x = 22,623,004.98 × 9,776,348.82
  4. Step 4: Simplify right side
    16,391,336.22x = 221,170,388,041,077.12
  5. Step 5: Solve for x
    x = 221,170,388,041,077.12/16,391,336.22
  6. Step 6: Final answer
    x = 13,493,127.41

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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.