Finding the Fourth Proportional to 13,306,804.14, 18,358,879.23 and 10,855,177.14
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Solution
The fourth proportional to 13,306,804.14, 18,358,879.23 and 10,855,177.14 is: 14,976,464.98
Step by Step Solution
- Step 1: Write the proportion equation
13,306,804.14 : 18,358,879.23 = 10,855,177.14 : x - Step 2: Convert to fraction form
13,306,804.14/18,358,879.23 = 10,855,177.14/x - Step 3: Cross multiply
13,306,804.14x = 18,358,879.23 × 10,855,177.14 - Step 4: Simplify right side
13,306,804.14x = 199,288,886,133,516.81 - Step 5: Solve for x
x = 199,288,886,133,516.81/13,306,804.14 - Step 6: Final answer
x = 14,976,464.98
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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.