Home / 13,616,996.40-20,449,114.20-7,239,704.40

Finding the Fourth Proportional to 13,616,996.40, 20,449,114.20 and 7,239,704.40

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Solution

The fourth proportional to 13,616,996.40, 20,449,114.20 and 7,239,704.40 is: 10,872,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616,996.40 : 20,449,114.20 = 7,239,704.40 : x
  2. Step 2: Convert to fraction form
    13,616,996.40/20,449,114.20 = 7,239,704.40/x
  3. Step 3: Cross multiply
    13,616,996.40x = 20,449,114.20 × 7,239,704.40
  4. Step 4: Simplify right side
    13,616,996.40x = 148,045,542,049,842.47
  5. Step 5: Solve for x
    x = 148,045,542,049,842.47/13,616,996.40
  6. Step 6: Final answer
    x = 10,872,114.36

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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.