Finding the Fourth Proportional to 7,701,859.36, 11,555,206.08 and 4,631,384.26
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Solution
The fourth proportional to 7,701,859.36, 11,555,206.08 and 4,631,384.26 is: 6,948,529.84
Step by Step Solution
- Step 1: Write the proportion equation
7,701,859.36 : 11,555,206.08 = 4,631,384.26 : x - Step 2: Convert to fraction form
7,701,859.36/11,555,206.08 = 4,631,384.26/x - Step 3: Cross multiply
7,701,859.36x = 11,555,206.08 × 4,631,384.26 - Step 4: Simplify right side
7,701,859.36x = 53,516,599,559,968.30 - Step 5: Solve for x
x = 53,516,599,559,968.30/7,701,859.36 - Step 6: Final answer
x = 6,948,529.84
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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.