Finding the Fourth Proportional to 7,730,683.62, 11,592,058.80 and 4,089,378.84
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Solution
The fourth proportional to 7,730,683.62, 11,592,058.80 and 4,089,378.84 is: 6,131,969.99
Step by Step Solution
- Step 1: Write the proportion equation
7,730,683.62 : 11,592,058.80 = 4,089,378.84 : x - Step 2: Convert to fraction form
7,730,683.62/11,592,058.80 = 4,089,378.84/x - Step 3: Cross multiply
7,730,683.62x = 11,592,058.80 × 4,089,378.84 - Step 4: Simplify right side
7,730,683.62x = 47,404,319,968,755.80 - Step 5: Solve for x
x = 47,404,319,968,755.80/7,730,683.62 - Step 6: Final answer
x = 6,131,969.99
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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.