Finding the Fourth Proportional to 7,473,921.15, 10,314,011.16 and 4,036,161.99
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Solution
The fourth proportional to 7,473,921.15, 10,314,011.16 and 4,036,161.99 is: 5,569,903.53
Step by Step Solution
- Step 1: Write the proportion equation
7,473,921.15 : 10,314,011.16 = 4,036,161.99 : x - Step 2: Convert to fraction form
7,473,921.15/10,314,011.16 = 4,036,161.99/x - Step 3: Cross multiply
7,473,921.15x = 10,314,011.16 × 4,036,161.99 - Step 4: Simplify right side
7,473,921.15x = 41,629,019,808,427.81 - Step 5: Solve for x
x = 41,629,019,808,427.81/7,473,921.15 - Step 6: Final answer
x = 5,569,903.53
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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.