Home / 18,517,430.20-25,562,914.63-12,332,769.16

Finding the Fourth Proportional to 18,517,430.20, 25,562,914.63 and 12,332,769.16

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Solution

The fourth proportional to 18,517,430.20, 25,562,914.63 and 12,332,769.16 is: 17,025,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517,430.20 : 25,562,914.63 = 12,332,769.16 : x
  2. Step 2: Convert to fraction form
    18,517,430.20/25,562,914.63 = 12,332,769.16/x
  3. Step 3: Cross multiply
    18,517,430.20x = 25,562,914.63 × 12,332,769.16
  4. Step 4: Simplify right side
    18,517,430.20x = 315,261,525,267,900.06
  5. Step 5: Solve for x
    x = 315,261,525,267,900.06/18,517,430.20
  6. Step 6: Final answer
    x = 17,025,122.92

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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.