Finding the Fourth Proportional to 7,486,975.08, 10,332,025.68 and 4,049,216.16
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Solution
The fourth proportional to 7,486,975.08, 10,332,025.68 and 4,049,216.16 is: 5,587,918.34
Step by Step Solution
- Step 1: Write the proportion equation
7,486,975.08 : 10,332,025.68 = 4,049,216.16 : x - Step 2: Convert to fraction form
7,486,975.08/10,332,025.68 = 4,049,216.16/x - Step 3: Cross multiply
7,486,975.08x = 10,332,025.68 × 4,049,216.16 - Step 4: Simplify right side
7,486,975.08x = 41,836,605,348,990.99 - Step 5: Solve for x
x = 41,836,605,348,990.99/7,486,975.08 - Step 6: Final answer
x = 5,587,918.34
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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.