Finding the Fourth Proportional to 7,277,695.80, 10,916,543.70 and 5,038,207.80
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Solution
The fourth proportional to 7,277,695.80, 10,916,543.70 and 5,038,207.80 is: 7,557,311.70
Step by Step Solution
- Step 1: Write the proportion equation
7,277,695.80 : 10,916,543.70 = 5,038,207.80 : x - Step 2: Convert to fraction form
7,277,695.80/10,916,543.70 = 5,038,207.80/x - Step 3: Cross multiply
7,277,695.80x = 10,916,543.70 × 5,038,207.80 - Step 4: Simplify right side
7,277,695.80x = 54,999,815,618,380.85 - Step 5: Solve for x
x = 54,999,815,618,380.85/7,277,695.80 - Step 6: Final answer
x = 7,557,311.70
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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.