Finding the Fourth Proportional to 8,086,421.68, 11,159,316.48 and 4,415,364.04
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Solution
The fourth proportional to 8,086,421.68, 11,159,316.48 and 4,415,364.04 is: 6,093,232.17
Step by Step Solution
- Step 1: Write the proportion equation
8,086,421.68 : 11,159,316.48 = 4,415,364.04 : x - Step 2: Convert to fraction form
8,086,421.68/11,159,316.48 = 4,415,364.04/x - Step 3: Cross multiply
8,086,421.68x = 11,159,316.48 × 4,415,364.04 - Step 4: Simplify right side
8,086,421.68x = 49,272,444,696,771.38 - Step 5: Solve for x
x = 49,272,444,696,771.38/8,086,421.68 - Step 6: Final answer
x = 6,093,232.17
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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.