Finding the Fourth Proportional to 7,635,744.61, 11,461,916.17 and 3,089,923.09
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Solution
The fourth proportional to 7,635,744.61, 11,461,916.17 and 3,089,923.09 is: 4,638,243.05
Step by Step Solution
- Step 1: Write the proportion equation
7,635,744.61 : 11,461,916.17 = 3,089,923.09 : x - Step 2: Convert to fraction form
7,635,744.61/11,461,916.17 = 3,089,923.09/x - Step 3: Cross multiply
7,635,744.61x = 11,461,916.17 × 3,089,923.09 - Step 4: Simplify right side
7,635,744.61x = 35,416,439,364,292.98 - Step 5: Solve for x
x = 35,416,439,364,292.98/7,635,744.61 - Step 6: Final answer
x = 4,638,243.05
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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.