Finding the Fourth Proportional to 10,267,887.40, 14,165,235.64 and 6,191,241.64
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Solution
The fourth proportional to 10,267,887.40, 14,165,235.64 and 6,191,241.64 is: 8,541,230.86
Step by Step Solution
- Step 1: Write the proportion equation
10,267,887.40 : 14,165,235.64 = 6,191,241.64 : x - Step 2: Convert to fraction form
10,267,887.40/14,165,235.64 = 6,191,241.64/x - Step 3: Cross multiply
10,267,887.40x = 14,165,235.64 × 6,191,241.64 - Step 4: Simplify right side
10,267,887.40x = 87,700,396,734,780.05 - Step 5: Solve for x
x = 87,700,396,734,780.05/10,267,887.40 - Step 6: Final answer
x = 8,541,230.86
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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.