Home / 13,857,855.72-19,114,352.10-9,035,491.56

Finding the Fourth Proportional to 13,857,855.72, 19,114,352.10 and 9,035,491.56

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Solution

The fourth proportional to 13,857,855.72, 19,114,352.10 and 9,035,491.56 is: 12,462,791.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857,855.72 : 19,114,352.10 = 9,035,491.56 : x
  2. Step 2: Convert to fraction form
    13,857,855.72/19,114,352.10 = 9,035,491.56/x
  3. Step 3: Cross multiply
    13,857,855.72x = 19,114,352.10 × 9,035,491.56
  4. Step 4: Simplify right side
    13,857,855.72x = 172,707,567,074,418.31
  5. Step 5: Solve for x
    x = 172,707,567,074,418.31/13,857,855.72
  6. Step 6: Final answer
    x = 12,462,791.54

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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.