Finding the Fourth Proportional to 6,414,263.20, 9,623,166.40 and 5,709,218.08
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Solution
The fourth proportional to 6,414,263.20, 9,623,166.40 and 5,709,218.08 is: 8,565,403.99
Step by Step Solution
- Step 1: Write the proportion equation
6,414,263.20 : 9,623,166.40 = 5,709,218.08 : x - Step 2: Convert to fraction form
6,414,263.20/9,623,166.40 = 5,709,218.08/x - Step 3: Cross multiply
6,414,263.20x = 9,623,166.40 × 5,709,218.08 - Step 4: Simplify right side
6,414,263.20x = 54,940,755,597,728.52 - Step 5: Solve for x
x = 54,940,755,597,728.52/6,414,263.20 - Step 6: Final answer
x = 8,565,403.99
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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.