Home / 38,907,704.43-53,695,412.10-21,503,676.06

Finding the Fourth Proportional to 38,907,704.43, 53,695,412.10 and 21,503,676.06

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Solution

The fourth proportional to 38,907,704.43, 53,695,412.10 and 21,503,676.06 is: 29,676,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,907,704.43 : 53,695,412.10 = 21,503,676.06 : x
  2. Step 2: Convert to fraction form
    38,907,704.43/53,695,412.10 = 21,503,676.06/x
  3. Step 3: Cross multiply
    38,907,704.43x = 53,695,412.10 × 21,503,676.06
  4. Step 4: Simplify right side
    38,907,704.43x = 1,154,648,747,706,604.25
  5. Step 5: Solve for x
    x = 1,154,648,747,706,604.25/38,907,704.43
  6. Step 6: Final answer
    x = 29,676,609.42

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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.