Home / 31,133,305.90-46,659,451.80-12,667,731.22

Finding the Fourth Proportional to 31,133,305.90, 46,659,451.80 and 12,667,731.22

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Solution

The fourth proportional to 31,133,305.90, 46,659,451.80 and 12,667,731.22 is: 18,985,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,133,305.90 : 46,659,451.80 = 12,667,731.22 : x
  2. Step 2: Convert to fraction form
    31,133,305.90/46,659,451.80 = 12,667,731.22/x
  3. Step 3: Cross multiply
    31,133,305.90x = 46,659,451.80 × 12,667,731.22
  4. Step 4: Simplify right side
    31,133,305.90x = 591,069,394,274,945.25
  5. Step 5: Solve for x
    x = 591,069,394,274,945.25/31,133,305.90
  6. Step 6: Final answer
    x = 18,985,115.05

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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.