Finding the Fourth Proportional to 12,786,091.07, 19,186,703.26 and 4,704,741.73
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Solution
The fourth proportional to 12,786,091.07, 19,186,703.26 and 4,704,741.73 is: 7,059,896.80
Step by Step Solution
- Step 1: Write the proportion equation
12,786,091.07 : 19,186,703.26 = 4,704,741.73 : x - Step 2: Convert to fraction form
12,786,091.07/19,186,703.26 = 4,704,741.73/x - Step 3: Cross multiply
12,786,091.07x = 19,186,703.26 × 4,704,741.73 - Step 4: Simplify right side
12,786,091.07x = 90,268,483,488,449.06 - Step 5: Solve for x
x = 90,268,483,488,449.06/12,786,091.07 - Step 6: Final answer
x = 7,059,896.80
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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.