Finding the Fourth Proportional to 12,633,326.12, 18,953,346.38 and 3,997,579.97
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Solution
The fourth proportional to 12,633,326.12, 18,953,346.38 and 3,997,579.97 is: 5,997,432.28
Step by Step Solution
- Step 1: Write the proportion equation
12,633,326.12 : 18,953,346.38 = 3,997,579.97 : x - Step 2: Convert to fraction form
12,633,326.12/18,953,346.38 = 3,997,579.97/x - Step 3: Cross multiply
12,633,326.12x = 18,953,346.38 × 3,997,579.97 - Step 4: Simplify right side
12,633,326.12x = 75,767,517,880,555.48 - Step 5: Solve for x
x = 75,767,517,880,555.48/12,633,326.12 - Step 6: Final answer
x = 5,997,432.28
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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.