Finding the Fourth Proportional to 7,398,331.30, 11,085,687.15 and 6,193,731.70
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Solution
The fourth proportional to 7,398,331.30, 11,085,687.15 and 6,193,731.70 is: 9,280,710.63
Step by Step Solution
- Step 1: Write the proportion equation
7,398,331.30 : 11,085,687.15 = 6,193,731.70 : x - Step 2: Convert to fraction form
7,398,331.30/11,085,687.15 = 6,193,731.70/x - Step 3: Cross multiply
7,398,331.30x = 11,085,687.15 × 6,193,731.70 - Step 4: Simplify right side
7,398,331.30x = 68,661,771,917,237.66 - Step 5: Solve for x
x = 68,661,771,917,237.66/7,398,331.30 - Step 6: Final answer
x = 9,280,710.63
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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.