Finding the Fourth Proportional to 14,229,481.32, 19,636,680.08 and 7,703,105.99
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Solution
The fourth proportional to 14,229,481.32, 19,636,680.08 and 7,703,105.99 is: 10,630,284.02
Step by Step Solution
- Step 1: Write the proportion equation
14,229,481.32 : 19,636,680.08 = 7,703,105.99 : x - Step 2: Convert to fraction form
14,229,481.32/19,636,680.08 = 7,703,105.99/x - Step 3: Cross multiply
14,229,481.32x = 19,636,680.08 × 7,703,105.99 - Step 4: Simplify right side
14,229,481.32x = 151,263,427,869,036.06 - Step 5: Solve for x
x = 151,263,427,869,036.06/14,229,481.32 - Step 6: Final answer
x = 10,630,284.02
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1.5x scale
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.