Home / 14,969,223.60-20,657,408.24-8,690,333.54

Finding the Fourth Proportional to 14,969,223.60, 20,657,408.24 and 8,690,333.54

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Solution

The fourth proportional to 14,969,223.60, 20,657,408.24 and 8,690,333.54 is: 11,992,590.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969,223.60 : 20,657,408.24 = 8,690,333.54 : x
  2. Step 2: Convert to fraction form
    14,969,223.60/20,657,408.24 = 8,690,333.54/x
  3. Step 3: Cross multiply
    14,969,223.60x = 20,657,408.24 × 8,690,333.54
  4. Step 4: Simplify right side
    14,969,223.60x = 179,519,767,595,983.16
  5. Step 5: Solve for x
    x = 179,519,767,595,983.16/14,969,223.60
  6. Step 6: Final answer
    x = 11,992,590.43

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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.