Home / 13,445,999.70-20,144,942.55-8,178,245.70

Finding the Fourth Proportional to 13,445,999.70, 20,144,942.55 and 8,178,245.70

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Solution

The fourth proportional to 13,445,999.70, 20,144,942.55 and 8,178,245.70 is: 12,252,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445,999.70 : 20,144,942.55 = 8,178,245.70 : x
  2. Step 2: Convert to fraction form
    13,445,999.70/20,144,942.55 = 8,178,245.70/x
  3. Step 3: Cross multiply
    13,445,999.70x = 20,144,942.55 × 8,178,245.70
  4. Step 4: Simplify right side
    13,445,999.70x = 164,750,289,786,284.53
  5. Step 5: Solve for x
    x = 164,750,289,786,284.53/13,445,999.70
  6. Step 6: Final answer
    x = 12,252,736.39

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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.