Finding the Fourth Proportional to 7,779,792.62, 10,726,133.91 and 6,379,194.08
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Solution
The fourth proportional to 7,779,792.62, 10,726,133.91 and 6,379,194.08 is: 8,795,104.61
Step by Step Solution
- Step 1: Write the proportion equation
7,779,792.62 : 10,726,133.91 = 6,379,194.08 : x - Step 2: Convert to fraction form
7,779,792.62/10,726,133.91 = 6,379,194.08/x - Step 3: Cross multiply
7,779,792.62x = 10,726,133.91 × 6,379,194.08 - Step 4: Simplify right side
7,779,792.62x = 68,424,089,942,852.60 - Step 5: Solve for x
x = 68,424,089,942,852.60/7,779,792.62 - Step 6: Final answer
x = 8,795,104.61
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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.