Home / 11,873,667.80-16,385,693.06-6,441,159.80

Finding the Fourth Proportional to 11,873,667.80, 16,385,693.06 and 6,441,159.80

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Solution

The fourth proportional to 11,873,667.80, 16,385,693.06 and 6,441,159.80 is: 8,888,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873,667.80 : 16,385,693.06 = 6,441,159.80 : x
  2. Step 2: Convert to fraction form
    11,873,667.80/16,385,693.06 = 6,441,159.80/x
  3. Step 3: Cross multiply
    11,873,667.80x = 16,385,693.06 × 6,441,159.80
  4. Step 4: Simplify right side
    11,873,667.80x = 105,542,867,433,210.98
  5. Step 5: Solve for x
    x = 105,542,867,433,210.98/11,873,667.80
  6. Step 6: Final answer
    x = 8,888,817.61

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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.