Finding the Fourth Proportional to 21,410,293.64, 29,546,130.71 and 11,620,737.80
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Solution
The fourth proportional to 21,410,293.64, 29,546,130.71 and 11,620,737.80 is: 16,036,577.71
Step by Step Solution
- Step 1: Write the proportion equation
21,410,293.64 : 29,546,130.71 = 11,620,737.80 : x - Step 2: Convert to fraction form
21,410,293.64/29,546,130.71 = 11,620,737.80/x - Step 3: Cross multiply
21,410,293.64x = 29,546,130.71 × 11,620,737.80 - Step 4: Simplify right side
21,410,293.64x = 343,347,837,897,046.56 - Step 5: Solve for x
x = 343,347,837,897,046.56/21,410,293.64 - Step 6: Final answer
x = 16,036,577.71
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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.