Home / 13,089,817.76-19,634,672.82-3,991,888.58

Finding the Fourth Proportional to 13,089,817.76, 19,634,672.82 and 3,991,888.58

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Solution

The fourth proportional to 13,089,817.76, 19,634,672.82 and 3,991,888.58 is: 5,987,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089,817.76 : 19,634,672.82 = 3,991,888.58 : x
  2. Step 2: Convert to fraction form
    13,089,817.76/19,634,672.82 = 3,991,888.58/x
  3. Step 3: Cross multiply
    13,089,817.76x = 19,634,672.82 × 3,991,888.58
  4. Step 4: Simplify right side
    13,089,817.76x = 78,379,426,202,194.39
  5. Step 5: Solve for x
    x = 78,379,426,202,194.39/13,089,817.76
  6. Step 6: Final answer
    x = 5,987,816.46

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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.