Finding the Fourth Proportional to 6,415,513.92, 8,853,408.92 and 3,515,014.80
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Solution
The fourth proportional to 6,415,513.92, 8,853,408.92 and 3,515,014.80 is: 4,850,720.27
Step by Step Solution
- Step 1: Write the proportion equation
6,415,513.92 : 8,853,408.92 = 3,515,014.80 : x - Step 2: Convert to fraction form
6,415,513.92/8,853,408.92 = 3,515,014.80/x - Step 3: Cross multiply
6,415,513.92x = 8,853,408.92 × 3,515,014.80 - Step 4: Simplify right side
6,415,513.92x = 31,119,863,384,252.02 - Step 5: Solve for x
x = 31,119,863,384,252.02/6,415,513.92 - Step 6: Final answer
x = 4,850,720.27
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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.