Finding the Fourth Proportional to 7,847,877.91, 11,772,038.31 and 2,168,102.23
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Solution
The fourth proportional to 7,847,877.91, 11,772,038.31 and 2,168,102.23 is: 3,252,214.52
Step by Step Solution
- Step 1: Write the proportion equation
7,847,877.91 : 11,772,038.31 = 2,168,102.23 : x - Step 2: Convert to fraction form
7,847,877.91/11,772,038.31 = 2,168,102.23/x - Step 3: Cross multiply
7,847,877.91x = 11,772,038.31 × 2,168,102.23 - Step 4: Simplify right side
7,847,877.91x = 25,522,982,511,556.43 - Step 5: Solve for x
x = 25,522,982,511,556.43/7,847,877.91 - Step 6: Final answer
x = 3,252,214.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.