Home / 15,291,223.92-21,101,951.52-8,415,952.56

Finding the Fourth Proportional to 15,291,223.92, 21,101,951.52 and 8,415,952.56

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Solution

The fourth proportional to 15,291,223.92, 21,101,951.52 and 8,415,952.56 is: 11,614,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291,223.92 : 21,101,951.52 = 8,415,952.56 : x
  2. Step 2: Convert to fraction form
    15,291,223.92/21,101,951.52 = 8,415,952.56/x
  3. Step 3: Cross multiply
    15,291,223.92x = 21,101,951.52 × 8,415,952.56
  4. Step 4: Simplify right side
    15,291,223.92x = 177,593,022,915,739.91
  5. Step 5: Solve for x
    x = 177,593,022,915,739.91/15,291,223.92
  6. Step 6: Final answer
    x = 11,614,048.94

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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.