Home / 21,505,860.64-29,677,965.60-11,716,284.88

Finding the Fourth Proportional to 21,505,860.64, 29,677,965.60 and 11,716,284.88

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Solution

The fourth proportional to 21,505,860.64, 29,677,965.60 and 11,716,284.88 is: 16,168,406.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,860.64 : 29,677,965.60 = 11,716,284.88 : x
  2. Step 2: Convert to fraction form
    21,505,860.64/29,677,965.60 = 11,716,284.88/x
  3. Step 3: Cross multiply
    21,505,860.64x = 29,677,965.60 × 11,716,284.88
  4. Step 4: Simplify right side
    21,505,860.64x = 347,715,499,628,440.19
  5. Step 5: Solve for x
    x = 347,715,499,628,440.19/21,505,860.64
  6. Step 6: Final answer
    x = 16,168,406.62

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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.