Finding the Fourth Proportional to 14,480,495.64, 19,981,918.62 and 8,369,319.96
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Solution
The fourth proportional to 14,480,495.64, 19,981,918.62 and 8,369,319.96 is: 11,548,988.00
Step by Step Solution
- Step 1: Write the proportion equation
14,480,495.64 : 19,981,918.62 = 8,369,319.96 : x - Step 2: Convert to fraction form
14,480,495.64/19,981,918.62 = 8,369,319.96/x - Step 3: Cross multiply
14,480,495.64x = 19,981,918.62 × 8,369,319.96 - Step 4: Simplify right side
14,480,495.64x = 167,235,070,345,461.66 - Step 5: Solve for x
x = 167,235,070,345,461.66/14,480,495.64 - Step 6: Final answer
x = 11,548,988.00
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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.