Finding the Fourth Proportional to 8,858,405.84, 12,224,636.20 and 4,990,983.08
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Solution
The fourth proportional to 8,858,405.84, 12,224,636.20 and 4,990,983.08 is: 6,887,577.01
Step by Step Solution
- Step 1: Write the proportion equation
8,858,405.84 : 12,224,636.20 = 4,990,983.08 : x - Step 2: Convert to fraction form
8,858,405.84/12,224,636.20 = 4,990,983.08/x - Step 3: Cross multiply
8,858,405.84x = 12,224,636.20 × 4,990,983.08 - Step 4: Simplify right side
8,858,405.84x = 61,012,952,433,355.49 - Step 5: Solve for x
x = 61,012,952,433,355.49/8,858,405.84 - Step 6: Final answer
x = 6,887,577.01
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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.