Finding the Fourth Proportional to 35,382,123.06, 48,827,229.68 and 19,912,207.25
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Solution
The fourth proportional to 35,382,123.06, 48,827,229.68 and 19,912,207.25 is: 27,478,789.64
Step by Step Solution
- Step 1: Write the proportion equation
35,382,123.06 : 48,827,229.68 = 19,912,207.25 : x - Step 2: Convert to fraction form
35,382,123.06/48,827,229.68 = 19,912,207.25/x - Step 3: Cross multiply
35,382,123.06x = 48,827,229.68 × 19,912,207.25 - Step 4: Simplify right side
35,382,123.06x = 972,257,916,487,814 - Step 5: Solve for x
x = 972,257,916,487,814/35,382,123.06 - Step 6: Final answer
x = 27,478,789.64
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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.