Finding the Fourth Proportional to 12,288,201.84, 18,430,682.76 and 3,652,117.92
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Solution
The fourth proportional to 12,288,201.84, 18,430,682.76 and 3,652,117.92 is: 5,477,695.41
Step by Step Solution
- Step 1: Write the proportion equation
12,288,201.84 : 18,430,682.76 = 3,652,117.92 : x - Step 2: Convert to fraction form
12,288,201.84/18,430,682.76 = 3,652,117.92/x - Step 3: Cross multiply
12,288,201.84x = 18,430,682.76 × 3,652,117.92 - Step 4: Simplify right side
12,288,201.84x = 67,311,026,785,631.06 - Step 5: Solve for x
x = 67,311,026,785,631.06/12,288,201.84 - Step 6: Final answer
x = 5,477,695.41
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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.