Finding the Fourth Proportional to 7,393,330.09, 10,202,431.17 and 4,129,495.03
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Solution
The fourth proportional to 7,393,330.09, 10,202,431.17 and 4,129,495.03 is: 5,698,499.63
Step by Step Solution
- Step 1: Write the proportion equation
7,393,330.09 : 10,202,431.17 = 4,129,495.03 : x - Step 2: Convert to fraction form
7,393,330.09/10,202,431.17 = 4,129,495.03/x - Step 3: Cross multiply
7,393,330.09x = 10,202,431.17 × 4,129,495.03 - Step 4: Simplify right side
7,393,330.09x = 42,130,888,810,432.09 - Step 5: Solve for x
x = 42,130,888,810,432.09/7,393,330.09 - Step 6: Final answer
x = 5,698,499.63
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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.