Home / 18,318,932.19-25,278,976.63-10,058,936.64

Finding the Fourth Proportional to 18,318,932.19, 25,278,976.63 and 10,058,936.64

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Solution

The fourth proportional to 18,318,932.19, 25,278,976.63 and 10,058,936.64 is: 13,880,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318,932.19 : 25,278,976.63 = 10,058,936.64 : x
  2. Step 2: Convert to fraction form
    18,318,932.19/25,278,976.63 = 10,058,936.64/x
  3. Step 3: Cross multiply
    18,318,932.19x = 25,278,976.63 × 10,058,936.64
  4. Step 4: Simplify right side
    18,318,932.19x = 254,279,624,162,988.25
  5. Step 5: Solve for x
    x = 254,279,624,162,988.25/18,318,932.19
  6. Step 6: Final answer
    x = 13,880,701.21

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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.