Home / 27,608,005.20-41,412,007.80-7,415,288.40

Finding the Fourth Proportional to 27,608,005.20, 41,412,007.80 and 7,415,288.40

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Solution

The fourth proportional to 27,608,005.20, 41,412,007.80 and 7,415,288.40 is: 11,122,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608,005.20 : 41,412,007.80 = 7,415,288.40 : x
  2. Step 2: Convert to fraction form
    27,608,005.20/41,412,007.80 = 7,415,288.40/x
  3. Step 3: Cross multiply
    27,608,005.20x = 41,412,007.80 × 7,415,288.40
  4. Step 4: Simplify right side
    27,608,005.20x = 307,081,981,060,049.50
  5. Step 5: Solve for x
    x = 307,081,981,060,049.50/27,608,005.20
  6. Step 6: Final answer
    x = 11,122,932.60

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1.5x scale

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.