Home / 12,873,258.11-17,765,010.72-6,992,838.84

Finding the Fourth Proportional to 12,873,258.11, 17,765,010.72 and 6,992,838.84

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Solution

The fourth proportional to 12,873,258.11, 17,765,010.72 and 6,992,838.84 is: 9,650,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873,258.11 : 17,765,010.72 = 6,992,838.84 : x
  2. Step 2: Convert to fraction form
    12,873,258.11/17,765,010.72 = 6,992,838.84/x
  3. Step 3: Cross multiply
    12,873,258.11x = 17,765,010.72 × 6,992,838.84
  4. Step 4: Simplify right side
    12,873,258.11x = 124,227,857,022,451.14
  5. Step 5: Solve for x
    x = 124,227,857,022,451.14/12,873,258.11
  6. Step 6: Final answer
    x = 9,650,071.17

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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.