Finding the Fourth Proportional to 10,232,242.84, 14,120,125.04 and 5,648,465.80
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Solution
The fourth proportional to 10,232,242.84, 14,120,125.04 and 5,648,465.80 is: 7,794,678.51
Step by Step Solution
- Step 1: Write the proportion equation
10,232,242.84 : 14,120,125.04 = 5,648,465.80 : x - Step 2: Convert to fraction form
10,232,242.84/14,120,125.04 = 5,648,465.80/x - Step 3: Cross multiply
10,232,242.84x = 14,120,125.04 × 5,648,465.80 - Step 4: Simplify right side
10,232,242.84x = 79,757,043,380,163.62 - Step 5: Solve for x
x = 79,757,043,380,163.62/10,232,242.84 - Step 6: Final answer
x = 7,794,678.51
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1.5x scale
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.