Finding the Fourth Proportional to 12,444,127.52, 18,686,442.84 and 7,682,088.08
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Solution
The fourth proportional to 12,444,127.52, 18,686,442.84 and 7,682,088.08 is: 11,535,633.94
Step by Step Solution
- Step 1: Write the proportion equation
12,444,127.52 : 18,686,442.84 = 7,682,088.08 : x - Step 2: Convert to fraction form
12,444,127.52/18,686,442.84 = 7,682,088.08/x - Step 3: Cross multiply
12,444,127.52x = 18,686,442.84 × 7,682,088.08 - Step 4: Simplify right side
12,444,127.52x = 143,550,899,798,765.34 - Step 5: Solve for x
x = 143,550,899,798,765.34/12,444,127.52 - Step 6: Final answer
x = 11,535,633.94
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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.