Finding the Fourth Proportional to 8,725,454.30, 13,089,740.56 and 2,967,893.70
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Solution
The fourth proportional to 8,725,454.30, 13,089,740.56 and 2,967,893.70 is: 4,452,370.87
Step by Step Solution
- Step 1: Write the proportion equation
8,725,454.30 : 13,089,740.56 = 2,967,893.70 : x - Step 2: Convert to fraction form
8,725,454.30/13,089,740.56 = 2,967,893.70/x - Step 3: Cross multiply
8,725,454.30x = 13,089,740.56 × 2,967,893.70 - Step 4: Simplify right side
8,725,454.30x = 38,848,958,542,658.48 - Step 5: Solve for x
x = 38,848,958,542,658.48/8,725,454.30 - Step 6: Final answer
x = 4,452,370.87
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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.