Home / 22,241,947.45-30,691,550.78-12,318,570.18

Finding the Fourth Proportional to 22,241,947.45, 30,691,550.78 and 12,318,570.18

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Solution

The fourth proportional to 22,241,947.45, 30,691,550.78 and 12,318,570.18 is: 16,998,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241,947.45 : 30,691,550.78 = 12,318,570.18 : x
  2. Step 2: Convert to fraction form
    22,241,947.45/30,691,550.78 = 12,318,570.18/x
  3. Step 3: Cross multiply
    22,241,947.45x = 30,691,550.78 × 12,318,570.18
  4. Step 4: Simplify right side
    22,241,947.45x = 378,076,022,216,463.75
  5. Step 5: Solve for x
    x = 378,076,022,216,463.75/22,241,947.45
  6. Step 6: Final answer
    x = 16,998,332.68

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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.