Home / 11,991,809.40-17,987,714.10-10,858,068.60

Finding the Fourth Proportional to 11,991,809.40, 17,987,714.10 and 10,858,068.60

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Solution

The fourth proportional to 11,991,809.40, 17,987,714.10 and 10,858,068.60 is: 16,287,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991,809.40 : 17,987,714.10 = 10,858,068.60 : x
  2. Step 2: Convert to fraction form
    11,991,809.40/17,987,714.10 = 10,858,068.60/x
  3. Step 3: Cross multiply
    11,991,809.40x = 17,987,714.10 × 10,858,068.60
  4. Step 4: Simplify right side
    11,991,809.40x = 195,311,833,654,987.28
  5. Step 5: Solve for x
    x = 195,311,833,654,987.28/11,991,809.40
  6. Step 6: Final answer
    x = 16,287,102.90

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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.