Finding the Fourth Proportional to 7,393,336.24, 10,202,138.28 and 4,129,865.68
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Solution
The fourth proportional to 7,393,336.24, 10,202,138.28 and 4,129,865.68 is: 5,698,842.77
Step by Step Solution
- Step 1: Write the proportion equation
7,393,336.24 : 10,202,138.28 = 4,129,865.68 : x - Step 2: Convert to fraction form
7,393,336.24/10,202,138.28 = 4,129,865.68/x - Step 3: Cross multiply
7,393,336.24x = 10,202,138.28 × 4,129,865.68 - Step 4: Simplify right side
7,393,336.24x = 42,133,460,745,186.23 - Step 5: Solve for x
x = 42,133,460,745,186.23/7,393,336.24 - Step 6: Final answer
x = 5,698,842.77
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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.