Finding the Fourth Proportional to 19,403,553.20, 29,125,517.16 and 14,291,755.26
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Solution
The fourth proportional to 19,403,553.20, 29,125,517.16 and 14,291,755.26 is: 21,452,501.96
Step by Step Solution
- Step 1: Write the proportion equation
19,403,553.20 : 29,125,517.16 = 14,291,755.26 : x - Step 2: Convert to fraction form
19,403,553.20/29,125,517.16 = 14,291,755.26/x - Step 3: Cross multiply
19,403,553.20x = 29,125,517.16 × 14,291,755.26 - Step 4: Simplify right side
19,403,553.20x = 416,254,763,071,650.25 - Step 5: Solve for x
x = 416,254,763,071,650.25/19,403,553.20 - Step 6: Final answer
x = 21,452,501.96
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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.