Finding the Fourth Proportional to 6,750,198.72, 9,312,053.76 and 4,170,951.36
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Solution
The fourth proportional to 6,750,198.72, 9,312,053.76 and 4,170,951.36 is: 5,753,922.94
Step by Step Solution
- Step 1: Write the proportion equation
6,750,198.72 : 9,312,053.76 = 4,170,951.36 : x - Step 2: Convert to fraction form
6,750,198.72/9,312,053.76 = 4,170,951.36/x - Step 3: Cross multiply
6,750,198.72x = 9,312,053.76 × 4,170,951.36 - Step 4: Simplify right side
6,750,198.72x = 38,840,123,294,665.11 - Step 5: Solve for x
x = 38,840,123,294,665.11/6,750,198.72 - Step 6: Final answer
x = 5,753,922.94
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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.