Finding the Fourth Proportional to 8,208,292.82, 11,327,446.58 and 4,487,140.08
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Solution
The fourth proportional to 8,208,292.82, 11,327,446.58 and 4,487,140.08 is: 6,192,254.67
Step by Step Solution
- Step 1: Write the proportion equation
8,208,292.82 : 11,327,446.58 = 4,487,140.08 : x - Step 2: Convert to fraction form
8,208,292.82/11,327,446.58 = 4,487,140.08/x - Step 3: Cross multiply
8,208,292.82x = 11,327,446.58 × 4,487,140.08 - Step 4: Simplify right side
8,208,292.82x = 50,827,839,530,741.23 - Step 5: Solve for x
x = 50,827,839,530,741.23/8,208,292.82 - Step 6: Final answer
x = 6,192,254.67
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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.