Home / 12,398,481.81-17,110,109.52-6,816,964.15

Finding the Fourth Proportional to 12,398,481.81, 17,110,109.52 and 6,816,964.15

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Solution

The fourth proportional to 12,398,481.81, 17,110,109.52 and 6,816,964.15 is: 9,407,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398,481.81 : 17,110,109.52 = 6,816,964.15 : x
  2. Step 2: Convert to fraction form
    12,398,481.81/17,110,109.52 = 6,816,964.15/x
  3. Step 3: Cross multiply
    12,398,481.81x = 17,110,109.52 × 6,816,964.15
  4. Step 4: Simplify right side
    12,398,481.81x = 116,639,003,221,801.34
  5. Step 5: Solve for x
    x = 116,639,003,221,801.34/12,398,481.81
  6. Step 6: Final answer
    x = 9,407,523.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.