Home / 11,666,313.29-17,498,971.37-3,990,644.48

Finding the Fourth Proportional to 11,666,313.29, 17,498,971.37 and 3,990,644.48

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Solution

The fourth proportional to 11,666,313.29, 17,498,971.37 and 3,990,644.48 is: 5,985,796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666,313.29 : 17,498,971.37 = 3,990,644.48 : x
  2. Step 2: Convert to fraction form
    11,666,313.29/17,498,971.37 = 3,990,644.48/x
  3. Step 3: Cross multiply
    11,666,313.29x = 17,498,971.37 × 3,990,644.48
  4. Step 4: Simplify right side
    11,666,313.29x = 69,832,173,415,873.69
  5. Step 5: Solve for x
    x = 69,832,173,415,873.69/11,666,313.29
  6. Step 6: Final answer
    x = 5,985,796.17

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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.