Home / 11,208,779.41-16,813,185.45-3,121,778.29

Finding the Fourth Proportional to 11,208,779.41, 16,813,185.45 and 3,121,778.29

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Solution

The fourth proportional to 11,208,779.41, 16,813,185.45 and 3,121,778.29 is: 4,682,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208,779.41 : 16,813,185.45 = 3,121,778.29 : x
  2. Step 2: Convert to fraction form
    11,208,779.41/16,813,185.45 = 3,121,778.29/x
  3. Step 3: Cross multiply
    11,208,779.41x = 16,813,185.45 × 3,121,778.29
  4. Step 4: Simplify right side
    11,208,779.41x = 52,487,037,323,553.88
  5. Step 5: Solve for x
    x = 52,487,037,323,553.88/11,208,779.41
  6. Step 6: Final answer
    x = 4,682,671.98

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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.