Home / 11,909,556.40-17,864,334.60-6,870,708.40

Finding the Fourth Proportional to 11,909,556.40, 17,864,334.60 and 6,870,708.40

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Solution

The fourth proportional to 11,909,556.40, 17,864,334.60 and 6,870,708.40 is: 10,306,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909,556.40 : 17,864,334.60 = 6,870,708.40 : x
  2. Step 2: Convert to fraction form
    11,909,556.40/17,864,334.60 = 6,870,708.40/x
  3. Step 3: Cross multiply
    11,909,556.40x = 17,864,334.60 × 6,870,708.40
  4. Step 4: Simplify right side
    11,909,556.40x = 122,740,633,796,630.66
  5. Step 5: Solve for x
    x = 122,740,633,796,630.66/11,909,556.40
  6. Step 6: Final answer
    x = 10,306,062.60

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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.