Home / 18,517,463.60-25,562,960.90-12,332,802.56

Finding the Fourth Proportional to 18,517,463.60, 25,562,960.90 and 12,332,802.56

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Solution

The fourth proportional to 18,517,463.60, 25,562,960.90 and 12,332,802.56 is: 17,025,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517,463.60 : 25,562,960.90 = 12,332,802.56 : x
  2. Step 2: Convert to fraction form
    18,517,463.60/25,562,960.90 = 12,332,802.56/x
  3. Step 3: Cross multiply
    18,517,463.60x = 25,562,960.90 × 12,332,802.56
  4. Step 4: Simplify right side
    18,517,463.60x = 315,262,949,628,699.88
  5. Step 5: Solve for x
    x = 315,262,949,628,699.88/18,517,463.60
  6. Step 6: Final answer
    x = 17,025,169.13

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1.5x scale

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.