Finding the Fourth Proportional to 8,458,462.49, 11,672,700.68 and 4,590,983.63
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Solution
The fourth proportional to 8,458,462.49, 11,672,700.68 and 4,590,983.63 is: 6,335,569.60
Step by Step Solution
- Step 1: Write the proportion equation
8,458,462.49 : 11,672,700.68 = 4,590,983.63 : x - Step 2: Convert to fraction form
8,458,462.49/11,672,700.68 = 4,590,983.63/x - Step 3: Cross multiply
8,458,462.49x = 11,672,700.68 × 4,590,983.63 - Step 4: Simplify right side
8,458,462.49x = 53,589,177,780,429.08 - Step 5: Solve for x
x = 53,589,177,780,429.08/8,458,462.49 - Step 6: Final answer
x = 6,335,569.60
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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.