Home / 20,393,593.50-28,089,548.19-15,674,965.50

Finding the Fourth Proportional to 20,393,593.50, 28,089,548.19 and 15,674,965.50

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Solution

The fourth proportional to 20,393,593.50, 28,089,548.19 and 15,674,965.50 is: 21,590,245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393,593.50 : 28,089,548.19 = 15,674,965.50 : x
  2. Step 2: Convert to fraction form
    20,393,593.50/28,089,548.19 = 15,674,965.50/x
  3. Step 3: Cross multiply
    20,393,593.50x = 28,089,548.19 × 15,674,965.50
  4. Step 4: Simplify right side
    20,393,593.50x = 440,302,698,788,837.44
  5. Step 5: Solve for x
    x = 440,302,698,788,837.44/20,393,593.50
  6. Step 6: Final answer
    x = 21,590,245.92

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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.