Finding the Fourth Proportional to 6,912,034.20, 10,368,051.30 and 3,876,283.80
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Solution
The fourth proportional to 6,912,034.20, 10,368,051.30 and 3,876,283.80 is: 5,814,425.70
Step by Step Solution
- Step 1: Write the proportion equation
6,912,034.20 : 10,368,051.30 = 3,876,283.80 : x - Step 2: Convert to fraction form
6,912,034.20/10,368,051.30 = 3,876,283.80/x - Step 3: Cross multiply
6,912,034.20x = 10,368,051.30 × 3,876,283.80 - Step 4: Simplify right side
6,912,034.20x = 40,189,509,291,758.94 - Step 5: Solve for x
x = 40,189,509,291,758.94/6,912,034.20 - Step 6: Final answer
x = 5,814,425.70
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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.