Home / 21,315,134,007.36-29,415,233,268-11,669,703,099.84

Finding the Fourth Proportional to 21,315,134,007.36, 29,415,233,268 and 11,669,703,099.84

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Solution

The fourth proportional to 21,315,134,007.36, 29,415,233,268 and 11,669,703,099.84 is: 16,104,380,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,134,007.36 : 29,415,233,268 = 11,669,703,099.84 : x
  2. Step 2: Convert to fraction form
    21,315,134,007.36/29,415,233,268 = 11,669,703,099.84/x
  3. Step 3: Cross multiply
    21,315,134,007.36x = 29,415,233,268 × 11,669,703,099.84
  4. Step 4: Simplify right side
    21,315,134,007.36x = 343,267,038,850,096,300,032
  5. Step 5: Solve for x
    x = 343,267,038,850,096,300,032/21,315,134,007.36
  6. Step 6: Final answer
    x = 16,104,380,987.31

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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.