Finding the Fourth Proportional to 12,193,765.62, 16,827,420.09 and 6,687,179.13
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Solution
The fourth proportional to 12,193,765.62, 16,827,420.09 and 6,687,179.13 is: 9,228,320.11
Step by Step Solution
- Step 1: Write the proportion equation
12,193,765.62 : 16,827,420.09 = 6,687,179.13 : x - Step 2: Convert to fraction form
12,193,765.62/16,827,420.09 = 6,687,179.13/x - Step 3: Cross multiply
12,193,765.62x = 16,827,420.09 × 6,687,179.13 - Step 4: Simplify right side
12,193,765.62x = 112,527,972,437,590.72 - Step 5: Solve for x
x = 112,527,972,437,590.72/12,193,765.62 - Step 6: Final answer
x = 9,228,320.11
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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.