Home / 18,321,166.49-27,439,880.30-8,743,271.07

Finding the Fourth Proportional to 18,321,166.49, 27,439,880.30 and 8,743,271.07

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Solution

The fourth proportional to 18,321,166.49, 27,439,880.30 and 8,743,271.07 is: 13,094,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,166.49 : 27,439,880.30 = 8,743,271.07 : x
  2. Step 2: Convert to fraction form
    18,321,166.49/27,439,880.30 = 8,743,271.07/x
  3. Step 3: Cross multiply
    18,321,166.49x = 27,439,880.30 × 8,743,271.07
  4. Step 4: Simplify right side
    18,321,166.49x = 239,914,311,578,054.97
  5. Step 5: Solve for x
    x = 239,914,311,578,054.97/18,321,166.49
  6. Step 6: Final answer
    x = 13,094,925.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.