Home / 13,545,439.36-20,320,141.92-6,357,703.36

Finding the Fourth Proportional to 13,545,439.36, 20,320,141.92 and 6,357,703.36

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Solution

The fourth proportional to 13,545,439.36, 20,320,141.92 and 6,357,703.36 is: 9,537,485.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,439.36 : 20,320,141.92 = 6,357,703.36 : x
  2. Step 2: Convert to fraction form
    13,545,439.36/20,320,141.92 = 6,357,703.36/x
  3. Step 3: Cross multiply
    13,545,439.36x = 20,320,141.92 × 6,357,703.36
  4. Step 4: Simplify right side
    13,545,439.36x = 129,189,434,560,460.88
  5. Step 5: Solve for x
    x = 129,189,434,560,460.88/13,545,439.36
  6. Step 6: Final answer
    x = 9,537,485.73

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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.