Finding the Fourth Proportional to 16,785,945.24, 25,178,916.49 and 4,655,408.56
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Solution
The fourth proportional to 16,785,945.24, 25,178,916.49 and 4,655,408.56 is: 6,983,112.46
Step by Step Solution
- Step 1: Write the proportion equation
16,785,945.24 : 25,178,916.49 = 4,655,408.56 : x - Step 2: Convert to fraction form
16,785,945.24/25,178,916.49 = 4,655,408.56/x - Step 3: Cross multiply
16,785,945.24x = 25,178,916.49 × 4,655,408.56 - Step 4: Simplify right side
16,785,945.24x = 117,218,143,426,116.77 - Step 5: Solve for x
x = 117,218,143,426,116.77/16,785,945.24 - Step 6: Final answer
x = 6,983,112.46
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1.5x scale
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.