Finding the Fourth Proportional to 11,878,657.06, 16,392,546.87 and 6,446,149.06
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Solution
The fourth proportional to 11,878,657.06, 16,392,546.87 and 6,446,149.06 is: 8,895,685.77
Step by Step Solution
- Step 1: Write the proportion equation
11,878,657.06 : 16,392,546.87 = 6,446,149.06 : x - Step 2: Convert to fraction form
11,878,657.06/16,392,546.87 = 6,446,149.06/x - Step 3: Cross multiply
11,878,657.06x = 16,392,546.87 × 6,446,149.06 - Step 4: Simplify right side
11,878,657.06x = 105,668,800,556,075.08 - Step 5: Solve for x
x = 105,668,800,556,075.08/11,878,657.06 - Step 6: Final answer
x = 8,895,685.77
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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.