Home / 8,503,886.43-12,755,876.47-2,114,138.80

Finding the Fourth Proportional to 8,503,886.43, 12,755,876.47 and 2,114,138.80

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Solution

The fourth proportional to 8,503,886.43, 12,755,876.47 and 2,114,138.80 is: 3,171,219.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,886.43 : 12,755,876.47 = 2,114,138.80 : x
  2. Step 2: Convert to fraction form
    8,503,886.43/12,755,876.47 = 2,114,138.80/x
  3. Step 3: Cross multiply
    8,503,886.43x = 12,755,876.47 × 2,114,138.80
  4. Step 4: Simplify right side
    8,503,886.43x = 26,967,693,373,234.04
  5. Step 5: Solve for x
    x = 26,967,693,373,234.04/8,503,886.43
  6. Step 6: Final answer
    x = 3,171,219.84

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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.