Finding the Fourth Proportional to 7,725,856.80, 11,588,727.60 and 2,334,496.80
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Solution
The fourth proportional to 7,725,856.80, 11,588,727.60 and 2,334,496.80 is: 3,501,727.80
Step by Step Solution
- Step 1: Write the proportion equation
7,725,856.80 : 11,588,727.60 = 2,334,496.80 : x - Step 2: Convert to fraction form
7,725,856.80/11,588,727.60 = 2,334,496.80/x - Step 3: Cross multiply
7,725,856.80x = 11,588,727.60 × 2,334,496.80 - Step 4: Simplify right side
7,725,856.80x = 27,053,847,498,271.68 - Step 5: Solve for x
x = 27,053,847,498,271.68/7,725,856.80 - Step 6: Final answer
x = 3,501,727.80
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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.