Finding the Fourth Proportional to 7,512,078.23, 10,366,902.63 and 4,248,829.11
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Solution
The fourth proportional to 7,512,078.23, 10,366,902.63 and 4,248,829.11 is: 5,863,516.90
Step by Step Solution
- Step 1: Write the proportion equation
7,512,078.23 : 10,366,902.63 = 4,248,829.11 : x - Step 2: Convert to fraction form
7,512,078.23/10,366,902.63 = 4,248,829.11/x - Step 3: Cross multiply
7,512,078.23x = 10,366,902.63 × 4,248,829.11 - Step 4: Simplify right side
7,512,078.23x = 44,047,197,674,879.56 - Step 5: Solve for x
x = 44,047,197,674,879.56/7,512,078.23 - Step 6: Final answer
x = 5,863,516.90
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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.