Finding the Fourth Proportional to 46,490,310.92, 69,745,554.54 and 14,141,372.70
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Solution
The fourth proportional to 46,490,310.92, 69,745,554.54 and 14,141,372.70 is: 21,215,127.66
Step by Step Solution
- Step 1: Write the proportion equation
46,490,310.92 : 69,745,554.54 = 14,141,372.70 : x - Step 2: Convert to fraction form
46,490,310.92/69,745,554.54 = 14,141,372.70/x - Step 3: Cross multiply
46,490,310.92x = 69,745,554.54 × 14,141,372.70 - Step 4: Simplify right side
46,490,310.92x = 986,297,880,918,317.12 - Step 5: Solve for x
x = 986,297,880,918,317.12/46,490,310.92 - Step 6: Final answer
x = 21,215,127.66
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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.