Home / 18,907,888.27-26,104,953.24-15,431,531.50

Finding the Fourth Proportional to 18,907,888.27, 26,104,953.24 and 15,431,531.50

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Solution

The fourth proportional to 18,907,888.27, 26,104,953.24 and 15,431,531.50 is: 21,305,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,907,888.27 : 26,104,953.24 = 15,431,531.50 : x
  2. Step 2: Convert to fraction form
    18,907,888.27/26,104,953.24 = 15,431,531.50/x
  3. Step 3: Cross multiply
    18,907,888.27x = 26,104,953.24 × 15,431,531.50
  4. Step 4: Simplify right side
    18,907,888.27x = 402,839,408,229,087.06
  5. Step 5: Solve for x
    x = 402,839,408,229,087.06/18,907,888.27
  6. Step 6: Final answer
    x = 21,305,362.21

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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.