Finding the Fourth Proportional to 13,176,662.58, 18,181,209.42 and 8,279,047.44
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Solution
The fourth proportional to 13,176,662.58, 18,181,209.42 and 8,279,047.44 is: 11,423,461.32
Step by Step Solution
- Step 1: Write the proportion equation
13,176,662.58 : 18,181,209.42 = 8,279,047.44 : x - Step 2: Convert to fraction form
13,176,662.58/18,181,209.42 = 8,279,047.44/x - Step 3: Cross multiply
13,176,662.58x = 18,181,209.42 × 8,279,047.44 - Step 4: Simplify right side
13,176,662.58x = 150,523,095,304,754.91 - Step 5: Solve for x
x = 150,523,095,304,754.91/13,176,662.58 - Step 6: Final answer
x = 11,423,461.32
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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.