Finding the Fourth Proportional to 12,019,163.19, 16,586,502.93 and 6,512,536.59
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Solution
The fourth proportional to 12,019,163.19, 16,586,502.93 and 6,512,536.59 is: 8,987,331.77
Step by Step Solution
- Step 1: Write the proportion equation
12,019,163.19 : 16,586,502.93 = 6,512,536.59 : x - Step 2: Convert to fraction form
12,019,163.19/16,586,502.93 = 6,512,536.59/x - Step 3: Cross multiply
12,019,163.19x = 16,586,502.93 × 6,512,536.59 - Step 4: Simplify right side
12,019,163.19x = 108,020,207,231,767.20 - Step 5: Solve for x
x = 108,020,207,231,767.20/12,019,163.19 - Step 6: Final answer
x = 8,987,331.77
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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.