Home / 18,159,668.64-25,060,620.48-9,899,735.76

Finding the Fourth Proportional to 18,159,668.64, 25,060,620.48 and 9,899,735.76

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Solution

The fourth proportional to 18,159,668.64, 25,060,620.48 and 9,899,735.76 is: 13,661,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159,668.64 : 25,060,620.48 = 9,899,735.76 : x
  2. Step 2: Convert to fraction form
    18,159,668.64/25,060,620.48 = 9,899,735.76/x
  3. Step 3: Cross multiply
    18,159,668.64x = 25,060,620.48 × 9,899,735.76
  4. Step 4: Simplify right side
    18,159,668.64x = 248,093,520,733,644.38
  5. Step 5: Solve for x
    x = 248,093,520,733,644.38/18,159,668.64
  6. Step 6: Final answer
    x = 13,661,786.77

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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.