Home / 13,327,945.20-19,992,665.64-3,742,576.38

Finding the Fourth Proportional to 13,327,945.20, 19,992,665.64 and 3,742,576.38

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Solution

The fourth proportional to 13,327,945.20, 19,992,665.64 and 3,742,576.38 is: 5,614,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327,945.20 : 19,992,665.64 = 3,742,576.38 : x
  2. Step 2: Convert to fraction form
    13,327,945.20/19,992,665.64 = 3,742,576.38/x
  3. Step 3: Cross multiply
    13,327,945.20x = 19,992,665.64 × 3,742,576.38
  4. Step 4: Simplify right side
    13,327,945.20x = 74,824,078,272,474.08
  5. Step 5: Solve for x
    x = 74,824,078,272,474.08/13,327,945.20
  6. Step 6: Final answer
    x = 5,614,074.57

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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.