Home / 17,218,813.35-23,762,412.63-9,378,622.92

Finding the Fourth Proportional to 17,218,813.35, 23,762,412.63 and 9,378,622.92

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Solution

The fourth proportional to 17,218,813.35, 23,762,412.63 and 9,378,622.92 is: 12,942,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218,813.35 : 23,762,412.63 = 9,378,622.92 : x
  2. Step 2: Convert to fraction form
    17,218,813.35/23,762,412.63 = 9,378,622.92/x
  3. Step 3: Cross multiply
    17,218,813.35x = 23,762,412.63 × 9,378,622.92
  4. Step 4: Simplify right side
    17,218,813.35x = 222,858,707,726,215.47
  5. Step 5: Solve for x
    x = 222,858,707,726,215.47/17,218,813.35
  6. Step 6: Final answer
    x = 12,942,744.85

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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.