Home / 22,670,257.88-31,285,266.73-12,356,958.80

Finding the Fourth Proportional to 22,670,257.88, 31,285,266.73 and 12,356,958.80

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Solution

The fourth proportional to 22,670,257.88, 31,285,266.73 and 12,356,958.80 is: 17,052,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670,257.88 : 31,285,266.73 = 12,356,958.80 : x
  2. Step 2: Convert to fraction form
    22,670,257.88/31,285,266.73 = 12,356,958.80/x
  3. Step 3: Cross multiply
    22,670,257.88x = 31,285,266.73 × 12,356,958.80
  4. Step 4: Simplify right side
    22,670,257.88x = 386,590,752,029,620.75
  5. Step 5: Solve for x
    x = 386,590,752,029,620.75/22,670,257.88
  6. Step 6: Final answer
    x = 17,052,772.58

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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.