Home / 26,115,072.23-39,121,529.24-21,510,668.54

Finding the Fourth Proportional to 26,115,072.23, 39,121,529.24 and 21,510,668.54

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Solution

The fourth proportional to 26,115,072.23, 39,121,529.24 and 21,510,668.54 is: 32,223,929.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115,072.23 : 39,121,529.24 = 21,510,668.54 : x
  2. Step 2: Convert to fraction form
    26,115,072.23/39,121,529.24 = 21,510,668.54/x
  3. Step 3: Cross multiply
    26,115,072.23x = 39,121,529.24 × 21,510,668.54
  4. Step 4: Simplify right side
    26,115,072.23x = 841,530,248,411,138.62
  5. Step 5: Solve for x
    x = 841,530,248,411,138.62/26,115,072.23
  6. Step 6: Final answer
    x = 32,223,929.57

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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.