Finding the Fourth Proportional to 6,787,520.23, 9,366,962.69 and 3,690,251.99
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Solution
The fourth proportional to 6,787,520.23, 9,366,962.69 and 3,690,251.99 is: 5,092,648.20
Step by Step Solution
- Step 1: Write the proportion equation
6,787,520.23 : 9,366,962.69 = 3,690,251.99 : x - Step 2: Convert to fraction form
6,787,520.23/9,366,962.69 = 3,690,251.99/x - Step 3: Cross multiply
6,787,520.23x = 9,366,962.69 × 3,690,251.99 - Step 4: Simplify right side
6,787,520.23x = 34,566,452,720,510.93 - Step 5: Solve for x
x = 34,566,452,720,510.93/6,787,520.23 - Step 6: Final answer
x = 5,092,648.20
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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.