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Finding the Fourth Proportional to 18,339,955.85, 27,508,247.04 and 6,208,032.62

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Solution

The fourth proportional to 18,339,955.85, 27,508,247.04 and 6,208,032.62 is: 9,311,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339,955.85 : 27,508,247.04 = 6,208,032.62 : x
  2. Step 2: Convert to fraction form
    18,339,955.85/27,508,247.04 = 6,208,032.62/x
  3. Step 3: Cross multiply
    18,339,955.85x = 27,508,247.04 × 6,208,032.62
  4. Step 4: Simplify right side
    18,339,955.85x = 170,772,094,805,797.22
  5. Step 5: Solve for x
    x = 170,772,094,805,797.22/18,339,955.85
  6. Step 6: Final answer
    x = 9,311,477.97

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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.