Finding the Fourth Proportional to 14,702,153.10, 20,285,998.11 and 8,589,400.62
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Solution
The fourth proportional to 14,702,153.10, 20,285,998.11 and 8,589,400.62 is: 11,851,635.85
Step by Step Solution
- Step 1: Write the proportion equation
14,702,153.10 : 20,285,998.11 = 8,589,400.62 : x - Step 2: Convert to fraction form
14,702,153.10/20,285,998.11 = 8,589,400.62/x - Step 3: Cross multiply
14,702,153.10x = 20,285,998.11 × 8,589,400.62 - Step 4: Simplify right side
14,702,153.10x = 174,244,564,743,352.81 - Step 5: Solve for x
x = 174,244,564,743,352.81/14,702,153.10 - Step 6: Final answer
x = 11,851,635.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.