Finding the Fourth Proportional to 7,716,844.84, 10,649,441.42 and 4,232,322.35
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Solution
The fourth proportional to 7,716,844.84, 10,649,441.42 and 4,232,322.35 is: 5,840,712.09
Step by Step Solution
- Step 1: Write the proportion equation
7,716,844.84 : 10,649,441.42 = 4,232,322.35 : x - Step 2: Convert to fraction form
7,716,844.84/10,649,441.42 = 4,232,322.35/x - Step 3: Cross multiply
7,716,844.84x = 10,649,441.42 × 4,232,322.35 - Step 4: Simplify right side
7,716,844.84x = 45,071,868,936,881.73 - Step 5: Solve for x
x = 45,071,868,936,881.73/7,716,844.84 - Step 6: Final answer
x = 5,840,712.09
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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.