Home / 13,411,721.52-20,120,581.98-4,892,058.36

Finding the Fourth Proportional to 13,411,721.52, 20,120,581.98 and 4,892,058.36

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Solution

The fourth proportional to 13,411,721.52, 20,120,581.98 and 4,892,058.36 is: 7,339,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,721.52 : 20,120,581.98 = 4,892,058.36 : x
  2. Step 2: Convert to fraction form
    13,411,721.52/20,120,581.98 = 4,892,058.36/x
  3. Step 3: Cross multiply
    13,411,721.52x = 20,120,581.98 × 4,892,058.36
  4. Step 4: Simplify right side
    13,411,721.52x = 98,431,061,283,324.36
  5. Step 5: Solve for x
    x = 98,431,061,283,324.36/13,411,721.52
  6. Step 6: Final answer
    x = 7,339,181.71

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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.