Home / 13,545,441.36-20,320,144.92-6,357,705.36

Finding the Fourth Proportional to 13,545,441.36, 20,320,144.92 and 6,357,705.36

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Solution

The fourth proportional to 13,545,441.36, 20,320,144.92 and 6,357,705.36 is: 9,537,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,441.36 : 20,320,144.92 = 6,357,705.36 : x
  2. Step 2: Convert to fraction form
    13,545,441.36/20,320,144.92 = 6,357,705.36/x
  3. Step 3: Cross multiply
    13,545,441.36x = 20,320,144.92 × 6,357,705.36
  4. Step 4: Simplify right side
    13,545,441.36x = 129,189,494,273,860.80
  5. Step 5: Solve for x
    x = 129,189,494,273,860.80/13,545,441.36
  6. Step 6: Final answer
    x = 9,537,488.73

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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.