Finding the Fourth Proportional to 16,217,292.88, 22,380,063.24 and 8,974,622.80
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Solution
The fourth proportional to 16,217,292.88, 22,380,063.24 and 8,974,622.80 is: 12,385,089.63
Step by Step Solution
- Step 1: Write the proportion equation
16,217,292.88 : 22,380,063.24 = 8,974,622.80 : x - Step 2: Convert to fraction form
16,217,292.88/22,380,063.24 = 8,974,622.80/x - Step 3: Cross multiply
16,217,292.88x = 22,380,063.24 × 8,974,622.80 - Step 4: Simplify right side
16,217,292.88x = 200,852,625,819,145.88 - Step 5: Solve for x
x = 200,852,625,819,145.88/16,217,292.88 - Step 6: Final answer
x = 12,385,089.63
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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.