Home / 11,781,312.96-17,669,895.84-3,145,520.64

Finding the Fourth Proportional to 11,781,312.96, 17,669,895.84 and 3,145,520.64

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Solution

The fourth proportional to 11,781,312.96, 17,669,895.84 and 3,145,520.64 is: 4,717,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781,312.96 : 17,669,895.84 = 3,145,520.64 : x
  2. Step 2: Convert to fraction form
    11,781,312.96/17,669,895.84 = 3,145,520.64/x
  3. Step 3: Cross multiply
    11,781,312.96x = 17,669,895.84 × 3,145,520.64
  4. Step 4: Simplify right side
    11,781,312.96x = 55,581,022,071,370.14
  5. Step 5: Solve for x
    x = 55,581,022,071,370.14/11,781,312.96
  6. Step 6: Final answer
    x = 4,717,727.32

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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.