Finding the Fourth Proportional to 7,440,949.80, 11,155,747.61 and 3,394,607.85
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Solution
The fourth proportional to 7,440,949.80, 11,155,747.61 and 3,394,607.85 is: 5,089,321.85
Step by Step Solution
- Step 1: Write the proportion equation
7,440,949.80 : 11,155,747.61 = 3,394,607.85 : x - Step 2: Convert to fraction form
7,440,949.80/11,155,747.61 = 3,394,607.85/x - Step 3: Cross multiply
7,440,949.80x = 11,155,747.61 × 3,394,607.85 - Step 4: Simplify right side
7,440,949.80x = 37,869,388,392,551.70 - Step 5: Solve for x
x = 37,869,388,392,551.70/7,440,949.80 - Step 6: Final answer
x = 5,089,321.85
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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.