Home / 12,738,876.73-19,089,419.40-9,356,550.01

Finding the Fourth Proportional to 12,738,876.73, 19,089,419.40 and 9,356,550.01

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Solution

The fourth proportional to 12,738,876.73, 19,089,419.40 and 9,356,550.01 is: 14,020,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738,876.73 : 19,089,419.40 = 9,356,550.01 : x
  2. Step 2: Convert to fraction form
    12,738,876.73/19,089,419.40 = 9,356,550.01/x
  3. Step 3: Cross multiply
    12,738,876.73x = 19,089,419.40 × 9,356,550.01
  4. Step 4: Simplify right side
    12,738,876.73x = 178,611,107,230,240.62
  5. Step 5: Solve for x
    x = 178,611,107,230,240.62/12,738,876.73
  6. Step 6: Final answer
    x = 14,020,946.36

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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.