Finding the Fourth Proportional to 7,424,329.12, 11,136,724.08 and 3,532,933.60
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Solution
The fourth proportional to 7,424,329.12, 11,136,724.08 and 3,532,933.60 is: 5,299,510.04
Step by Step Solution
- Step 1: Write the proportion equation
7,424,329.12 : 11,136,724.08 = 3,532,933.60 : x - Step 2: Convert to fraction form
7,424,329.12/11,136,724.08 = 3,532,933.60/x - Step 3: Cross multiply
7,424,329.12x = 11,136,724.08 × 3,532,933.60 - Step 4: Simplify right side
7,424,329.12x = 39,345,306,696,161.09 - Step 5: Solve for x
x = 39,345,306,696,161.09/7,424,329.12 - Step 6: Final answer
x = 5,299,510.04
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1.5x scale
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.