Home / 13,379,893.64-20,068,128.45-4,281,230.06

Finding the Fourth Proportional to 13,379,893.64, 20,068,128.45 and 4,281,230.06

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Solution

The fourth proportional to 13,379,893.64, 20,068,128.45 and 4,281,230.06 is: 6,421,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379,893.64 : 20,068,128.45 = 4,281,230.06 : x
  2. Step 2: Convert to fraction form
    13,379,893.64/20,068,128.45 = 4,281,230.06/x
  3. Step 3: Cross multiply
    13,379,893.64x = 20,068,128.45 × 4,281,230.06
  4. Step 4: Simplify right side
    13,379,893.64x = 85,916,274,746,675.05
  5. Step 5: Solve for x
    x = 85,916,274,746,675.05/13,379,893.64
  6. Step 6: Final answer
    x = 6,421,297.29

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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.