Home / 18,362,021.10-27,519,412.05-11,165,916.30

Finding the Fourth Proportional to 18,362,021.10, 27,519,412.05 and 11,165,916.30

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Solution

The fourth proportional to 18,362,021.10, 27,519,412.05 and 11,165,916.30 is: 16,734,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362,021.10 : 27,519,412.05 = 11,165,916.30 : x
  2. Step 2: Convert to fraction form
    18,362,021.10/27,519,412.05 = 11,165,916.30/x
  3. Step 3: Cross multiply
    18,362,021.10x = 27,519,412.05 × 11,165,916.30
  4. Step 4: Simplify right side
    18,362,021.10x = 307,279,451,575,511.44
  5. Step 5: Solve for x
    x = 307,279,451,575,511.44/18,362,021.10
  6. Step 6: Final answer
    x = 16,734,511.41

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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.