Home / 13,854,440.40-20,781,660.60-4,268,965.20

Finding the Fourth Proportional to 13,854,440.40, 20,781,660.60 and 4,268,965.20

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Solution

The fourth proportional to 13,854,440.40, 20,781,660.60 and 4,268,965.20 is: 6,403,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854,440.40 : 20,781,660.60 = 4,268,965.20 : x
  2. Step 2: Convert to fraction form
    13,854,440.40/20,781,660.60 = 4,268,965.20/x
  3. Step 3: Cross multiply
    13,854,440.40x = 20,781,660.60 × 4,268,965.20
  4. Step 4: Simplify right side
    13,854,440.40x = 88,716,185,899,611.12
  5. Step 5: Solve for x
    x = 88,716,185,899,611.12/13,854,440.40
  6. Step 6: Final answer
    x = 6,403,447.80

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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.