Home / 31,133,288.82-46,659,426.04-12,667,714.28

Finding the Fourth Proportional to 31,133,288.82, 46,659,426.04 and 12,667,714.28

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Solution

The fourth proportional to 31,133,288.82, 46,659,426.04 and 12,667,714.28 is: 18,985,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,133,288.82 : 46,659,426.04 = 12,667,714.28 : x
  2. Step 2: Convert to fraction form
    31,133,288.82/46,659,426.04 = 12,667,714.28/x
  3. Step 3: Cross multiply
    31,133,288.82x = 46,659,426.04 × 12,667,714.28
  4. Step 4: Simplify right side
    31,133,288.82x = 591,068,277,543,511.75
  5. Step 5: Solve for x
    x = 591,068,277,543,511.75/31,133,288.82
  6. Step 6: Final answer
    x = 18,985,089.59

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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.