Home / 40,676,179.80-61,014,766.34-11,922,896.80

Finding the Fourth Proportional to 40,676,179.80, 61,014,766.34 and 11,922,896.80

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Solution

The fourth proportional to 40,676,179.80, 61,014,766.34 and 11,922,896.80 is: 17,884,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,676,179.80 : 61,014,766.34 = 11,922,896.80 : x
  2. Step 2: Convert to fraction form
    40,676,179.80/61,014,766.34 = 11,922,896.80/x
  3. Step 3: Cross multiply
    40,676,179.80x = 61,014,766.34 × 11,922,896.80
  4. Step 4: Simplify right side
    40,676,179.80x = 727,472,762,135,782.25
  5. Step 5: Solve for x
    x = 727,472,762,135,782.25/40,676,179.80
  6. Step 6: Final answer
    x = 17,884,490.77

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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.