Finding the Fourth Proportional to 21,135,227.00, 31,657,289.51 and 14,274,071.42
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Solution
The fourth proportional to 21,135,227.00, 31,657,289.51 and 14,274,071.42 is: 21,380,343.41
Step by Step Solution
- Step 1: Write the proportion equation
21,135,227.00 : 31,657,289.51 = 14,274,071.42 : x - Step 2: Convert to fraction form
21,135,227.00/31,657,289.51 = 14,274,071.42/x - Step 3: Cross multiply
21,135,227.00x = 31,657,289.51 × 14,274,071.42 - Step 4: Simplify right side
21,135,227.00x = 451,878,411,199,699.94 - Step 5: Solve for x
x = 451,878,411,199,699.94/21,135,227.00 - Step 6: Final answer
x = 21,380,343.41
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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.