Finding the Fourth Proportional to 21,485,881.63, 32,229,711.82 and 6,339,813.13
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Solution
The fourth proportional to 21,485,881.63, 32,229,711.82 and 6,339,813.13 is: 9,509,982.12
Step by Step Solution
- Step 1: Write the proportion equation
21,485,881.63 : 32,229,711.82 = 6,339,813.13 : x - Step 2: Convert to fraction form
21,485,881.63/32,229,711.82 = 6,339,813.13/x - Step 3: Cross multiply
21,485,881.63x = 32,229,711.82 × 6,339,813.13 - Step 4: Simplify right side
21,485,881.63x = 204,330,350,011,403.62 - Step 5: Solve for x
x = 204,330,350,011,403.62/21,485,881.63 - Step 6: Final answer
x = 9,509,982.12
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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.