Home / 13,379,893.74-20,068,128.59-4,281,230.16

Finding the Fourth Proportional to 13,379,893.74, 20,068,128.59 and 4,281,230.16

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Solution

The fourth proportional to 13,379,893.74, 20,068,128.59 and 4,281,230.16 is: 6,421,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379,893.74 : 20,068,128.59 = 4,281,230.16 : x
  2. Step 2: Convert to fraction form
    13,379,893.74/20,068,128.59 = 4,281,230.16/x
  3. Step 3: Cross multiply
    13,379,893.74x = 20,068,128.59 × 4,281,230.16
  4. Step 4: Simplify right side
    13,379,893.74x = 85,916,277,252,519.48
  5. Step 5: Solve for x
    x = 85,916,277,252,519.48/13,379,893.74
  6. Step 6: Final answer
    x = 6,421,297.43

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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.