Home / 12,055,076.50-16,636,012.05-6,622,918.42

Finding the Fourth Proportional to 12,055,076.50, 16,636,012.05 and 6,622,918.42

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Solution

The fourth proportional to 12,055,076.50, 16,636,012.05 and 6,622,918.42 is: 9,139,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055,076.50 : 16,636,012.05 = 6,622,918.42 : x
  2. Step 2: Convert to fraction form
    12,055,076.50/16,636,012.05 = 6,622,918.42/x
  3. Step 3: Cross multiply
    12,055,076.50x = 16,636,012.05 × 6,622,918.42
  4. Step 4: Simplify right side
    12,055,076.50x = 110,178,950,641,286.97
  5. Step 5: Solve for x
    x = 110,178,950,641,286.97/12,055,076.50
  6. Step 6: Final answer
    x = 9,139,630.98

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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.