Finding the Fourth Proportional to 8,122,022.12, 11,208,403.70 and 4,450,355.24
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Solution
The fourth proportional to 8,122,022.12, 11,208,403.70 and 4,450,355.24 is: 6,141,497.45
Step by Step Solution
- Step 1: Write the proportion equation
8,122,022.12 : 11,208,403.70 = 4,450,355.24 : x - Step 2: Convert to fraction form
8,122,022.12/11,208,403.70 = 4,450,355.24/x - Step 3: Cross multiply
8,122,022.12x = 11,208,403.70 × 4,450,355.24 - Step 4: Simplify right side
8,122,022.12x = 49,881,378,138,330.39 - Step 5: Solve for x
x = 49,881,378,138,330.39/8,122,022.12 - Step 6: Final answer
x = 6,141,497.45
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1.5x scale
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.