Finding the Fourth Proportional to 7,991,144.68, 11,982,990.35 and 4,151,934.98
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Solution
The fourth proportional to 7,991,144.68, 11,982,990.35 and 4,151,934.98 is: 6,225,966.22
Step by Step Solution
- Step 1: Write the proportion equation
7,991,144.68 : 11,982,990.35 = 4,151,934.98 : x - Step 2: Convert to fraction form
7,991,144.68/11,982,990.35 = 4,151,934.98/x - Step 3: Cross multiply
7,991,144.68x = 11,982,990.35 × 4,151,934.98 - Step 4: Simplify right side
7,991,144.68x = 49,752,596,828,270.70 - Step 5: Solve for x
x = 49,752,596,828,270.70/7,991,144.68 - Step 6: Final answer
x = 6,225,966.22
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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.