Home / 18,610,889.50-27,917,661.16-4,963,958.47

Finding the Fourth Proportional to 18,610,889.50, 27,917,661.16 and 4,963,958.47

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Solution

The fourth proportional to 18,610,889.50, 27,917,661.16 and 4,963,958.47 is: 7,446,291.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610,889.50 : 27,917,661.16 = 4,963,958.47 : x
  2. Step 2: Convert to fraction form
    18,610,889.50/27,917,661.16 = 4,963,958.47/x
  3. Step 3: Cross multiply
    18,610,889.50x = 27,917,661.16 × 4,963,958.47
  4. Step 4: Simplify right side
    18,610,889.50x = 138,582,110,438,183.72
  5. Step 5: Solve for x
    x = 138,582,110,438,183.72/18,610,889.50
  6. Step 6: Final answer
    x = 7,446,291.62

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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.