Finding the Fourth Proportional to 7,398,445.25, 11,096,457.73 and 2,605,007.81
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Solution
The fourth proportional to 7,398,445.25, 11,096,457.73 and 2,605,007.81 is: 3,907,085.61
Step by Step Solution
- Step 1: Write the proportion equation
7,398,445.25 : 11,096,457.73 = 2,605,007.81 : x - Step 2: Convert to fraction form
7,398,445.25/11,096,457.73 = 2,605,007.81/x - Step 3: Cross multiply
7,398,445.25x = 11,096,457.73 × 2,605,007.81 - Step 4: Simplify right side
7,398,445.25x = 28,906,358,981,477.54 - Step 5: Solve for x
x = 28,906,358,981,477.54/7,398,445.25 - Step 6: Final answer
x = 3,907,085.61
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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.