Finding the Fourth Proportional to 7,358,579.63, 10,157,072.09 and 4,261,864.10
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Solution
The fourth proportional to 7,358,579.63, 10,157,072.09 and 4,261,864.10 is: 5,882,665.28
Step by Step Solution
- Step 1: Write the proportion equation
7,358,579.63 : 10,157,072.09 = 4,261,864.10 : x - Step 2: Convert to fraction form
7,358,579.63/10,157,072.09 = 4,261,864.10/x - Step 3: Cross multiply
7,358,579.63x = 10,157,072.09 × 4,261,864.10 - Step 4: Simplify right side
7,358,579.63x = 43,288,060,850,697.60 - Step 5: Solve for x
x = 43,288,060,850,697.60/7,358,579.63 - Step 6: Final answer
x = 5,882,665.28
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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.