Finding the Fourth Proportional to 16,121,238.12, 22,247,087.67 and 9,151,854.75
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Solution
The fourth proportional to 16,121,238.12, 22,247,087.67 and 9,151,854.75 is: 12,629,434.13
Step by Step Solution
- Step 1: Write the proportion equation
16,121,238.12 : 22,247,087.67 = 9,151,854.75 : x - Step 2: Convert to fraction form
16,121,238.12/22,247,087.67 = 9,151,854.75/x - Step 3: Cross multiply
16,121,238.12x = 22,247,087.67 × 9,151,854.75 - Step 4: Simplify right side
16,121,238.12x = 203,602,114,966,355.94 - Step 5: Solve for x
x = 203,602,114,966,355.94/16,121,238.12 - Step 6: Final answer
x = 12,629,434.13
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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.