Finding the Fourth Proportional to 7,115,811.84, 10,676,223.36 and 4,729,132.80
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Solution
The fourth proportional to 7,115,811.84, 10,676,223.36 and 4,729,132.80 is: 7,095,364.41
Step by Step Solution
- Step 1: Write the proportion equation
7,115,811.84 : 10,676,223.36 = 4,729,132.80 : x - Step 2: Convert to fraction form
7,115,811.84/10,676,223.36 = 4,729,132.80/x - Step 3: Cross multiply
7,115,811.84x = 10,676,223.36 × 4,729,132.80 - Step 4: Simplify right side
7,115,811.84x = 50,489,278,071,902.20 - Step 5: Solve for x
x = 50,489,278,071,902.20/7,115,811.84 - Step 6: Final answer
x = 7,095,364.41
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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.