Finding the Fourth Proportional to 34,339,197.68, 47,390,728.56 and 19,659,468.32
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Solution
The fourth proportional to 34,339,197.68, 47,390,728.56 and 19,659,468.32 is: 27,131,575.28
Step by Step Solution
- Step 1: Write the proportion equation
34,339,197.68 : 47,390,728.56 = 19,659,468.32 : x - Step 2: Convert to fraction form
34,339,197.68/47,390,728.56 = 19,659,468.32/x - Step 3: Cross multiply
34,339,197.68x = 47,390,728.56 × 19,659,468.32 - Step 4: Simplify right side
34,339,197.68x = 931,676,526,787,039.25 - Step 5: Solve for x
x = 931,676,526,787,039.25/34,339,197.68 - Step 6: Final answer
x = 27,131,575.28
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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.