Finding the Fourth Proportional to 19,879,827.90, 29,816,420.29 and 5,504,348.85
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Solution
The fourth proportional to 19,879,827.90, 29,816,420.29 and 5,504,348.85 is: 8,255,603.59
Step by Step Solution
- Step 1: Write the proportion equation
19,879,827.90 : 29,816,420.29 = 5,504,348.85 : x - Step 2: Convert to fraction form
19,879,827.90/29,816,420.29 = 5,504,348.85/x - Step 3: Cross multiply
19,879,827.90x = 29,816,420.29 × 5,504,348.85 - Step 4: Simplify right side
19,879,827.90x = 164,119,978,608,805.75 - Step 5: Solve for x
x = 164,119,978,608,805.75/19,879,827.90 - Step 6: Final answer
x = 8,255,603.59
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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.