Finding the Fourth Proportional to 32,313,679.20, 48,446,413.20 and 19,531,490.40
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Solution
The fourth proportional to 32,313,679.20, 48,446,413.20 and 19,531,490.40 is: 29,282,665.35
Step by Step Solution
- Step 1: Write the proportion equation
32,313,679.20 : 48,446,413.20 = 19,531,490.40 : x - Step 2: Convert to fraction form
32,313,679.20/48,446,413.20 = 19,531,490.40/x - Step 3: Cross multiply
32,313,679.20x = 48,446,413.20 × 19,531,490.40 - Step 4: Simplify right side
32,313,679.20x = 946,230,654,330,233.25 - Step 5: Solve for x
x = 946,230,654,330,233.25/32,313,679.20 - Step 6: Final answer
x = 29,282,665.35
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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.