Finding the Fourth Proportional to 7,402,302.57, 10,214,391.11 and 4,094,071.09
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Solution
The fourth proportional to 7,402,302.57, 10,214,391.11 and 4,094,071.09 is: 5,649,383.15
Step by Step Solution
- Step 1: Write the proportion equation
7,402,302.57 : 10,214,391.11 = 4,094,071.09 : x - Step 2: Convert to fraction form
7,402,302.57/10,214,391.11 = 4,094,071.09/x - Step 3: Cross multiply
7,402,302.57x = 10,214,391.11 × 4,094,071.09 - Step 4: Simplify right side
7,402,302.57x = 41,818,443,379,882.78 - Step 5: Solve for x
x = 41,818,443,379,882.78/7,402,302.57 - Step 6: Final answer
x = 5,649,383.15
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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.