Finding the Fourth Proportional to 16,151,694.19, 22,289,603.67 and 8,809,527.38
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Solution
The fourth proportional to 16,151,694.19, 22,289,603.67 and 8,809,527.38 is: 12,157,292.70
Step by Step Solution
- Step 1: Write the proportion equation
16,151,694.19 : 22,289,603.67 = 8,809,527.38 : x - Step 2: Convert to fraction form
16,151,694.19/22,289,603.67 = 8,809,527.38/x - Step 3: Cross multiply
16,151,694.19x = 22,289,603.67 × 8,809,527.38 - Step 4: Simplify right side
16,151,694.19x = 196,360,873,903,400.78 - Step 5: Solve for x
x = 196,360,873,903,400.78/16,151,694.19 - Step 6: Final answer
x = 12,157,292.70
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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.