Finding the Fourth Proportional to 19,729,620.68, 29,593,764.10 and 6,949,791.68
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Solution
The fourth proportional to 19,729,620.68, 29,593,764.10 and 6,949,791.68 is: 10,424,452.60
Step by Step Solution
- Step 1: Write the proportion equation
19,729,620.68 : 29,593,764.10 = 6,949,791.68 : x - Step 2: Convert to fraction form
19,729,620.68/29,593,764.10 = 6,949,791.68/x - Step 3: Cross multiply
19,729,620.68x = 29,593,764.10 × 6,949,791.68 - Step 4: Simplify right side
19,729,620.68x = 205,670,495,522,062.69 - Step 5: Solve for x
x = 205,670,495,522,062.69/19,729,620.68 - Step 6: Final answer
x = 10,424,452.60
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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.