Finding the Fourth Proportional to 12,055,144.70, 16,636,106.15 and 6,622,986.62
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Solution
The fourth proportional to 12,055,144.70, 16,636,106.15 and 6,622,986.62 is: 9,139,725.08
Step by Step Solution
- Step 1: Write the proportion equation
12,055,144.70 : 16,636,106.15 = 6,622,986.62 : x - Step 2: Convert to fraction form
12,055,144.70/16,636,106.15 = 6,622,986.62/x - Step 3: Cross multiply
12,055,144.70x = 16,636,106.15 × 6,622,986.62 - Step 4: Simplify right side
12,055,144.70x = 110,180,708,324,054.25 - Step 5: Solve for x
x = 110,180,708,324,054.25/12,055,144.70 - Step 6: Final answer
x = 9,139,725.08
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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.