Finding the Fourth Proportional to 37,888,914.26, 52,286,657.16 and 20,485,218.16
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Solution
The fourth proportional to 37,888,914.26, 52,286,657.16 and 20,485,218.16 is: 28,269,576.99
Step by Step Solution
- Step 1: Write the proportion equation
37,888,914.26 : 52,286,657.16 = 20,485,218.16 : x - Step 2: Convert to fraction form
37,888,914.26/52,286,657.16 = 20,485,218.16/x - Step 3: Cross multiply
37,888,914.26x = 52,286,657.16 × 20,485,218.16 - Step 4: Simplify right side
37,888,914.26x = 1,071,103,578,779,726 - Step 5: Solve for x
x = 1,071,103,578,779,726/37,888,914.26 - Step 6: Final answer
x = 28,269,576.99
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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.