Home / 13,379,893.70-20,068,128.54-4,281,230.12

Finding the Fourth Proportional to 13,379,893.70, 20,068,128.54 and 4,281,230.12

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Solution

The fourth proportional to 13,379,893.70, 20,068,128.54 and 4,281,230.12 is: 6,421,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379,893.70 : 20,068,128.54 = 4,281,230.12 : x
  2. Step 2: Convert to fraction form
    13,379,893.70/20,068,128.54 = 4,281,230.12/x
  3. Step 3: Cross multiply
    13,379,893.70x = 20,068,128.54 × 4,281,230.12
  4. Step 4: Simplify right side
    13,379,893.70x = 85,916,276,295,522.36
  5. Step 5: Solve for x
    x = 85,916,276,295,522.36/13,379,893.70
  6. Step 6: Final answer
    x = 6,421,297.38

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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.