Home / 21,141,900.07-29,179,912.21-13,786,964.21

Finding the Fourth Proportional to 21,141,900.07, 29,179,912.21 and 13,786,964.21

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Solution

The fourth proportional to 21,141,900.07, 29,179,912.21 and 13,786,964.21 is: 19,028,677.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141,900.07 : 29,179,912.21 = 13,786,964.21 : x
  2. Step 2: Convert to fraction form
    21,141,900.07/29,179,912.21 = 13,786,964.21/x
  3. Step 3: Cross multiply
    21,141,900.07x = 29,179,912.21 × 13,786,964.21
  4. Step 4: Simplify right side
    21,141,900.07x = 402,302,405,328,694.38
  5. Step 5: Solve for x
    x = 402,302,405,328,694.38/21,141,900.07
  6. Step 6: Final answer
    x = 19,028,677.84

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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.