Finding the Fourth Proportional to 8,560,870.48, 11,814,744.81 and 4,694,138.99
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Solution
The fourth proportional to 8,560,870.48, 11,814,744.81 and 4,694,138.99 is: 6,478,319.51
Step by Step Solution
- Step 1: Write the proportion equation
8,560,870.48 : 11,814,744.81 = 4,694,138.99 : x - Step 2: Convert to fraction form
8,560,870.48/11,814,744.81 = 4,694,138.99/x - Step 3: Cross multiply
8,560,870.48x = 11,814,744.81 × 4,694,138.99 - Step 4: Simplify right side
8,560,870.48x = 55,460,054,210,447.42 - Step 5: Solve for x
x = 55,460,054,210,447.42/8,560,870.48 - Step 6: Final answer
x = 6,478,319.51
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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.