Finding the Fourth Proportional to 7,183,531.68, 9,913,505.68 and 4,085,975.44
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Solution
The fourth proportional to 7,183,531.68, 9,913,505.68 and 4,085,975.44 is: 5,638,778.05
Step by Step Solution
- Step 1: Write the proportion equation
7,183,531.68 : 9,913,505.68 = 4,085,975.44 : x - Step 2: Convert to fraction form
7,183,531.68/9,913,505.68 = 4,085,975.44/x - Step 3: Cross multiply
7,183,531.68x = 9,913,505.68 × 4,085,975.44 - Step 4: Simplify right side
7,183,531.68x = 40,506,340,732,780.50 - Step 5: Solve for x
x = 40,506,340,732,780.50/7,183,531.68 - Step 6: Final answer
x = 5,638,778.05
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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.