Finding the Fourth Proportional to 6,643,337.70, 9,965,006.55 and 5,446,611.30
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Solution
The fourth proportional to 6,643,337.70, 9,965,006.55 and 5,446,611.30 is: 8,169,916.95
Step by Step Solution
- Step 1: Write the proportion equation
6,643,337.70 : 9,965,006.55 = 5,446,611.30 : x - Step 2: Convert to fraction form
6,643,337.70/9,965,006.55 = 5,446,611.30/x - Step 3: Cross multiply
6,643,337.70x = 9,965,006.55 × 5,446,611.30 - Step 4: Simplify right side
6,643,337.70x = 54,275,517,279,804.02 - Step 5: Solve for x
x = 54,275,517,279,804.02/6,643,337.70 - Step 6: Final answer
x = 8,169,916.95
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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.