Finding the Fourth Proportional to 18,480,414.24, 27,718,502.70 and 4,834,877.76
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Solution
The fourth proportional to 18,480,414.24, 27,718,502.70 and 4,834,877.76 is: 7,251,762.35
Step by Step Solution
- Step 1: Write the proportion equation
18,480,414.24 : 27,718,502.70 = 4,834,877.76 : x - Step 2: Convert to fraction form
18,480,414.24/27,718,502.70 = 4,834,877.76/x - Step 3: Cross multiply
18,480,414.24x = 27,718,502.70 × 4,834,877.76 - Step 4: Simplify right side
18,480,414.24x = 134,015,572,244,729.94 - Step 5: Solve for x
x = 134,015,572,244,729.94/18,480,414.24 - Step 6: Final answer
x = 7,251,762.35
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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.