Home / 12,633,471.52-18,945,963.92-4,111,803.92

Finding the Fourth Proportional to 12,633,471.52, 18,945,963.92 and 4,111,803.92

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Solution

The fourth proportional to 12,633,471.52, 18,945,963.92 and 4,111,803.92 is: 6,166,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633,471.52 : 18,945,963.92 = 4,111,803.92 : x
  2. Step 2: Convert to fraction form
    12,633,471.52/18,945,963.92 = 4,111,803.92/x
  3. Step 3: Cross multiply
    12,633,471.52x = 18,945,963.92 × 4,111,803.92
  4. Step 4: Simplify right side
    12,633,471.52x = 77,902,088,714,434.58
  5. Step 5: Solve for x
    x = 77,902,088,714,434.58/12,633,471.52
  6. Step 6: Final answer
    x = 6,166,324.80

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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.