Finding the Fourth Proportional to 8,201,626.84, 12,302,782.08 and 2,813,983.12
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Solution
The fourth proportional to 8,201,626.84, 12,302,782.08 and 2,813,983.12 is: 4,221,091.96
Step by Step Solution
- Step 1: Write the proportion equation
8,201,626.84 : 12,302,782.08 = 2,813,983.12 : x - Step 2: Convert to fraction form
8,201,626.84/12,302,782.08 = 2,813,983.12/x - Step 3: Cross multiply
8,201,626.84x = 12,302,782.08 × 2,813,983.12 - Step 4: Simplify right side
8,201,626.84x = 34,619,821,102,158.49 - Step 5: Solve for x
x = 34,619,821,102,158.49/8,201,626.84 - Step 6: Final answer
x = 4,221,091.96
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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.