Finding the Fourth Proportional to 7,626,386.12, 10,521,852.24 and 4,318,229.08
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Solution
The fourth proportional to 7,626,386.12, 10,521,852.24 and 4,318,229.08 is: 5,957,706.26
Step by Step Solution
- Step 1: Write the proportion equation
7,626,386.12 : 10,521,852.24 = 4,318,229.08 : x - Step 2: Convert to fraction form
7,626,386.12/10,521,852.24 = 4,318,229.08/x - Step 3: Cross multiply
7,626,386.12x = 10,521,852.24 × 4,318,229.08 - Step 4: Simplify right side
7,626,386.12x = 45,435,768,318,231.14 - Step 5: Solve for x
x = 45,435,768,318,231.14/7,626,386.12 - Step 6: Final answer
x = 5,957,706.26
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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.