Home / 18,318,935.69-25,278,981.46-10,058,940.14

Finding the Fourth Proportional to 18,318,935.69, 25,278,981.46 and 10,058,940.14

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Solution

The fourth proportional to 18,318,935.69, 25,278,981.46 and 10,058,940.14 is: 13,880,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318,935.69 : 25,278,981.46 = 10,058,940.14 : x
  2. Step 2: Convert to fraction form
    18,318,935.69/25,278,981.46 = 10,058,940.14/x
  3. Step 3: Cross multiply
    18,318,935.69x = 25,278,981.46 × 10,058,940.14
  4. Step 4: Simplify right side
    18,318,935.69x = 254,279,761,256,015.09
  5. Step 5: Solve for x
    x = 254,279,761,256,015.09/18,318,935.69
  6. Step 6: Final answer
    x = 13,880,706.04

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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.