Finding the Fourth Proportional to 12,097,348.20, 18,146,022.30 and 8,696,125.80
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Solution
The fourth proportional to 12,097,348.20, 18,146,022.30 and 8,696,125.80 is: 13,044,188.70
Step by Step Solution
- Step 1: Write the proportion equation
12,097,348.20 : 18,146,022.30 = 8,696,125.80 : x - Step 2: Convert to fraction form
12,097,348.20/18,146,022.30 = 8,696,125.80/x - Step 3: Cross multiply
12,097,348.20x = 18,146,022.30 × 8,696,125.80 - Step 4: Simplify right side
12,097,348.20x = 157,800,092,690,405.38 - Step 5: Solve for x
x = 157,800,092,690,405.38/12,097,348.20 - Step 6: Final answer
x = 13,044,188.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.