Home / 20,874,647.09-31,312,954.80-17,224,606.97

Finding the Fourth Proportional to 20,874,647.09, 31,312,954.80 and 17,224,606.97

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Solution

The fourth proportional to 20,874,647.09, 31,312,954.80 and 17,224,606.97 is: 25,837,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,874,647.09 : 31,312,954.80 = 17,224,606.97 : x
  2. Step 2: Convert to fraction form
    20,874,647.09/31,312,954.80 = 17,224,606.97/x
  3. Step 3: Cross multiply
    20,874,647.09x = 31,312,954.80 × 17,224,606.97
  4. Step 4: Simplify right side
    20,874,647.09x = 539,353,339,499,374.94
  5. Step 5: Solve for x
    x = 539,353,339,499,374.94/20,874,647.09
  6. Step 6: Final answer
    x = 25,837,722.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.