Finding the Fourth Proportional to 8,713,724.40, 12,027,472.01 and 5,813,108.12
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Solution
The fourth proportional to 8,713,724.40, 12,027,472.01 and 5,813,108.12 is: 8,023,778.58
Step by Step Solution
- Step 1: Write the proportion equation
8,713,724.40 : 12,027,472.01 = 5,813,108.12 : x - Step 2: Convert to fraction form
8,713,724.40/12,027,472.01 = 5,813,108.12/x - Step 3: Cross multiply
8,713,724.40x = 12,027,472.01 × 5,813,108.12 - Step 4: Simplify right side
8,713,724.40x = 69,916,995,204,403.72 - Step 5: Solve for x
x = 69,916,995,204,403.72/8,713,724.40 - Step 6: Final answer
x = 8,023,778.58
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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.