Finding the Fourth Proportional to 7,737,763.79, 11,591,511.30 and 6,373,496.09
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Solution
The fourth proportional to 7,737,763.79, 11,591,511.30 and 6,373,496.09 is: 9,547,778.14
Step by Step Solution
- Step 1: Write the proportion equation
7,737,763.79 : 11,591,511.30 = 6,373,496.09 : x - Step 2: Convert to fraction form
7,737,763.79/11,591,511.30 = 6,373,496.09/x - Step 3: Cross multiply
7,737,763.79x = 11,591,511.30 × 6,373,496.09 - Step 4: Simplify right side
7,737,763.79x = 73,878,451,889,783.27 - Step 5: Solve for x
x = 73,878,451,889,783.27/7,737,763.79 - Step 6: Final answer
x = 9,547,778.14
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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.