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Finding the Fourth Proportional to 19,978,952.90, 29,956,293.66 and 7,833,865.58

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Solution

The fourth proportional to 19,978,952.90, 29,956,293.66 and 7,833,865.58 is: 11,746,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,978,952.90 : 29,956,293.66 = 7,833,865.58 : x
  2. Step 2: Convert to fraction form
    19,978,952.90/29,956,293.66 = 7,833,865.58/x
  3. Step 3: Cross multiply
    19,978,952.90x = 29,956,293.66 × 7,833,865.58
  4. Step 4: Simplify right side
    19,978,952.90x = 234,673,577,807,446.22
  5. Step 5: Solve for x
    x = 234,673,577,807,446.22/19,978,952.90
  6. Step 6: Final answer
    x = 11,746,039.89

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Why These Related Problems?

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