Finding the Fourth Proportional to 16,784,722.80, 25,135,093.80 and 13,425,490.80
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Solution
The fourth proportional to 16,784,722.80, 25,135,093.80 and 13,425,490.80 is: 20,104,649.60
Step by Step Solution
- Step 1: Write the proportion equation
16,784,722.80 : 25,135,093.80 = 13,425,490.80 : x - Step 2: Convert to fraction form
16,784,722.80/25,135,093.80 = 13,425,490.80/x - Step 3: Cross multiply
16,784,722.80x = 25,135,093.80 × 13,425,490.80 - Step 4: Simplify right side
16,784,722.80x = 337,450,970,569,037.06 - Step 5: Solve for x
x = 337,450,970,569,037.06/16,784,722.80 - Step 6: Final answer
x = 20,104,649.60
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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.