Home / 18,388,110-25,375,590.60-10,657,636.38

Finding the Fourth Proportional to 18,388,110, 25,375,590.60 and 10,657,636.38

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Solution

The fourth proportional to 18,388,110, 25,375,590.60 and 10,657,636.38 is: 14,707,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,110 : 25,375,590.60 = 10,657,636.38 : x
  2. Step 2: Convert to fraction form
    18,388,110/25,375,590.60 = 10,657,636.38/x
  3. Step 3: Cross multiply
    18,388,110x = 25,375,590.60 × 10,657,636.38
  4. Step 4: Simplify right side
    18,388,110x = 270,443,817,542,546.06
  5. Step 5: Solve for x
    x = 270,443,817,542,546.06/18,388,110
  6. Step 6: Final answer
    x = 14,707,537.51

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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.