Home / 22,939,869.67-31,659,715.82-12,883,021.43

Finding the Fourth Proportional to 22,939,869.67, 31,659,715.82 and 12,883,021.43

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Solution

The fourth proportional to 22,939,869.67, 31,659,715.82 and 12,883,021.43 is: 17,780,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,939,869.67 : 31,659,715.82 = 12,883,021.43 : x
  2. Step 2: Convert to fraction form
    22,939,869.67/31,659,715.82 = 12,883,021.43/x
  3. Step 3: Cross multiply
    22,939,869.67x = 31,659,715.82 × 12,883,021.43
  4. Step 4: Simplify right side
    22,939,869.67x = 407,872,797,250,679.06
  5. Step 5: Solve for x
    x = 407,872,797,250,679.06/22,939,869.67
  6. Step 6: Final answer
    x = 17,780,083.46

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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.