Finding the Fourth Proportional to 34,784,346.69, 51,942,279.26 and 28,407,249.09
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Solution
The fourth proportional to 34,784,346.69, 51,942,279.26 and 28,407,249.09 is: 42,419,576.78
Step by Step Solution
- Step 1: Write the proportion equation
34,784,346.69 : 51,942,279.26 = 28,407,249.09 : x - Step 2: Convert to fraction form
34,784,346.69/51,942,279.26 = 28,407,249.09/x - Step 3: Cross multiply
34,784,346.69x = 51,942,279.26 × 28,407,249.09 - Step 4: Simplify right side
34,784,346.69x = 1,475,537,265,312,179 - Step 5: Solve for x
x = 1,475,537,265,312,179/34,784,346.69 - Step 6: Final answer
x = 42,419,576.78
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.