Finding the Fourth Proportional to 11,475,536.68, 15,835,613.70 and 6,317,918.92
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Solution
The fourth proportional to 11,475,536.68, 15,835,613.70 and 6,317,918.92 is: 8,718,382.96
Step by Step Solution
- Step 1: Write the proportion equation
11,475,536.68 : 15,835,613.70 = 6,317,918.92 : x - Step 2: Convert to fraction form
11,475,536.68/15,835,613.70 = 6,317,918.92/x - Step 3: Cross multiply
11,475,536.68x = 15,835,613.70 × 6,317,918.92 - Step 4: Simplify right side
11,475,536.68x = 100,048,123,405,041.20 - Step 5: Solve for x
x = 100,048,123,405,041.20/11,475,536.68 - Step 6: Final answer
x = 8,718,382.96
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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.