Finding the Fourth Proportional to 9,790,687.98, 13,512,813.92 and 5,663,228.49
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Solution
The fourth proportional to 9,790,687.98, 13,512,813.92 and 5,663,228.49 is: 7,816,218.12
Step by Step Solution
- Step 1: Write the proportion equation
9,790,687.98 : 13,512,813.92 = 5,663,228.49 : x - Step 2: Convert to fraction form
9,790,687.98/13,512,813.92 = 5,663,228.49/x - Step 3: Cross multiply
9,790,687.98x = 13,512,813.92 × 5,663,228.49 - Step 4: Simplify right side
9,790,687.98x = 76,526,152,771,812.58 - Step 5: Solve for x
x = 76,526,152,771,812.58/9,790,687.98 - Step 6: Final answer
x = 7,816,218.12
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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.