Home / 11,393,290.80-17,097,809.40-8,201,145.60

Finding the Fourth Proportional to 11,393,290.80, 17,097,809.40 and 8,201,145.60

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Solution

The fourth proportional to 11,393,290.80, 17,097,809.40 and 8,201,145.60 is: 12,307,385.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393,290.80 : 17,097,809.40 = 8,201,145.60 : x
  2. Step 2: Convert to fraction form
    11,393,290.80/17,097,809.40 = 8,201,145.60/x
  3. Step 3: Cross multiply
    11,393,290.80x = 17,097,809.40 × 8,201,145.60
  4. Step 4: Simplify right side
    11,393,290.80x = 140,221,624,330,448.62
  5. Step 5: Solve for x
    x = 140,221,624,330,448.62/11,393,290.80
  6. Step 6: Final answer
    x = 12,307,385.71

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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.