Home / 14,759,671.60-20,375,720.82-9,179,716.80

Finding the Fourth Proportional to 14,759,671.60, 20,375,720.82 and 9,179,716.80

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Solution

The fourth proportional to 14,759,671.60, 20,375,720.82 and 9,179,716.80 is: 12,672,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759,671.60 : 20,375,720.82 = 9,179,716.80 : x
  2. Step 2: Convert to fraction form
    14,759,671.60/20,375,720.82 = 9,179,716.80/x
  3. Step 3: Cross multiply
    14,759,671.60x = 20,375,720.82 × 9,179,716.80
  4. Step 4: Simplify right side
    14,759,671.60x = 187,043,346,677,565.22
  5. Step 5: Solve for x
    x = 187,043,346,677,565.22/14,759,671.60
  6. Step 6: Final answer
    x = 12,672,595.42

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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.