Finding the Fourth Proportional to 7,586,690.74, 10,470,589.62 and 4,975,390.87
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Solution
The fourth proportional to 7,586,690.74, 10,470,589.62 and 4,975,390.87 is: 6,866,666.61
Step by Step Solution
- Step 1: Write the proportion equation
7,586,690.74 : 10,470,589.62 = 4,975,390.87 : x - Step 2: Convert to fraction form
7,586,690.74/10,470,589.62 = 4,975,390.87/x - Step 3: Cross multiply
7,586,690.74x = 10,470,589.62 × 4,975,390.87 - Step 4: Simplify right side
7,586,690.74x = 52,095,275,998,864.77 - Step 5: Solve for x
x = 52,095,275,998,864.77/7,586,690.74 - Step 6: Final answer
x = 6,866,666.61
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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.