Finding the Fourth Proportional to 10,921,544.62, 15,074,729.67 and 6,339,342.22
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Solution
The fourth proportional to 10,921,544.62, 15,074,729.67 and 6,339,342.22 is: 8,750,032.49
Step by Step Solution
- Step 1: Write the proportion equation
10,921,544.62 : 15,074,729.67 = 6,339,342.22 : x - Step 2: Convert to fraction form
10,921,544.62/15,074,729.67 = 6,339,342.22/x - Step 3: Cross multiply
10,921,544.62x = 15,074,729.67 × 6,339,342.22 - Step 4: Simplify right side
10,921,544.62x = 95,563,870,252,117.66 - Step 5: Solve for x
x = 95,563,870,252,117.66/10,921,544.62 - Step 6: Final answer
x = 8,750,032.49
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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.