Home / 8,189,257.60-12,283,886.40-2,205,625.60

Finding the Fourth Proportional to 8,189,257.60, 12,283,886.40 and 2,205,625.60

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Solution

The fourth proportional to 8,189,257.60, 12,283,886.40 and 2,205,625.60 is: 3,308,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,257.60 : 12,283,886.40 = 2,205,625.60 : x
  2. Step 2: Convert to fraction form
    8,189,257.60/12,283,886.40 = 2,205,625.60/x
  3. Step 3: Cross multiply
    8,189,257.60x = 12,283,886.40 × 2,205,625.60
  4. Step 4: Simplify right side
    8,189,257.60x = 27,093,654,311,331.84
  5. Step 5: Solve for x
    x = 27,093,654,311,331.84/8,189,257.60
  6. Step 6: Final answer
    x = 3,308,438.40

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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.