Home / 12,255,665.20-18,389,402.70-8,653,676.20

Finding the Fourth Proportional to 12,255,665.20, 18,389,402.70 and 8,653,676.20

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Solution

The fourth proportional to 12,255,665.20, 18,389,402.70 and 8,653,676.20 is: 12,984,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255,665.20 : 18,389,402.70 = 8,653,676.20 : x
  2. Step 2: Convert to fraction form
    12,255,665.20/18,389,402.70 = 8,653,676.20/x
  3. Step 3: Cross multiply
    12,255,665.20x = 18,389,402.70 × 8,653,676.20
  4. Step 4: Simplify right side
    12,255,665.20x = 159,135,936,477,205.72
  5. Step 5: Solve for x
    x = 159,135,936,477,205.72/12,255,665.20
  6. Step 6: Final answer
    x = 12,984,683.73

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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.