Finding the Fourth Proportional to 7,388,172.07, 10,195,249.06 and 4,125,193.38
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Solution
The fourth proportional to 7,388,172.07, 10,195,249.06 and 4,125,193.38 is: 5,692,527.67
Step by Step Solution
- Step 1: Write the proportion equation
7,388,172.07 : 10,195,249.06 = 4,125,193.38 : x - Step 2: Convert to fraction form
7,388,172.07/10,195,249.06 = 4,125,193.38/x - Step 3: Cross multiply
7,388,172.07x = 10,195,249.06 × 4,125,193.38 - Step 4: Simplify right side
7,388,172.07x = 42,057,373,929,763.23 - Step 5: Solve for x
x = 42,057,373,929,763.23/7,388,172.07 - Step 6: Final answer
x = 5,692,527.67
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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.