Finding the Fourth Proportional to 22,588,236.33, 31,174,423.37 and 13,420,879.08
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Solution
The fourth proportional to 22,588,236.33, 31,174,423.37 and 13,420,879.08 is: 18,522,391.93
Step by Step Solution
- Step 1: Write the proportion equation
22,588,236.33 : 31,174,423.37 = 13,420,879.08 : x - Step 2: Convert to fraction form
22,588,236.33/31,174,423.37 = 13,420,879.08/x - Step 3: Cross multiply
22,588,236.33x = 31,174,423.37 × 13,420,879.08 - Step 4: Simplify right side
22,588,236.33x = 418,388,166,370,391.69 - Step 5: Solve for x
x = 418,388,166,370,391.69/22,588,236.33 - Step 6: Final answer
x = 18,522,391.93
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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.