Home / 29,673,556.56-40,929,062.82-20,871,675.72

Finding the Fourth Proportional to 29,673,556.56, 40,929,062.82 and 20,871,675.72

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Solution

The fourth proportional to 29,673,556.56, 40,929,062.82 and 20,871,675.72 is: 28,788,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,673,556.56 : 40,929,062.82 = 20,871,675.72 : x
  2. Step 2: Convert to fraction form
    29,673,556.56/40,929,062.82 = 20,871,675.72/x
  3. Step 3: Cross multiply
    29,673,556.56x = 40,929,062.82 × 20,871,675.72
  4. Step 4: Simplify right side
    29,673,556.56x = 854,258,126,702,548.75
  5. Step 5: Solve for x
    x = 854,258,126,702,548.75/29,673,556.56
  6. Step 6: Final answer
    x = 28,788,531.80

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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.