Finding the Fourth Proportional to 22,605,888.96, 31,278,273.12 and 19,711,311.84
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Solution
The fourth proportional to 22,605,888.96, 31,278,273.12 and 19,711,311.84 is: 27,273,238.24
Step by Step Solution
- Step 1: Write the proportion equation
22,605,888.96 : 31,278,273.12 = 19,711,311.84 : x - Step 2: Convert to fraction form
22,605,888.96/31,278,273.12 = 19,711,311.84/x - Step 3: Cross multiply
22,605,888.96x = 31,278,273.12 × 19,711,311.84 - Step 4: Simplify right side
22,605,888.96x = 616,535,795,285,009.75 - Step 5: Solve for x
x = 616,535,795,285,009.75/22,605,888.96 - Step 6: Final answer
x = 27,273,238.24
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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.