Home / 13,208,714.80-19,813,072.20-11,193,175.60

Finding the Fourth Proportional to 13,208,714.80, 19,813,072.20 and 11,193,175.60

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Solution

The fourth proportional to 13,208,714.80, 19,813,072.20 and 11,193,175.60 is: 16,789,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,714.80 : 19,813,072.20 = 11,193,175.60 : x
  2. Step 2: Convert to fraction form
    13,208,714.80/19,813,072.20 = 11,193,175.60/x
  3. Step 3: Cross multiply
    13,208,714.80x = 19,813,072.20 × 11,193,175.60
  4. Step 4: Simplify right side
    13,208,714.80x = 221,771,196,310,078.31
  5. Step 5: Solve for x
    x = 221,771,196,310,078.31/13,208,714.80
  6. Step 6: Final answer
    x = 16,789,763.40

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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.