Finding the Fourth Proportional to 7,618,335.12, 10,513,463.04 and 4,180,546.08
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Solution
The fourth proportional to 7,618,335.12, 10,513,463.04 and 4,180,546.08 is: 5,769,241.71
Step by Step Solution
- Step 1: Write the proportion equation
7,618,335.12 : 10,513,463.04 = 4,180,546.08 : x - Step 2: Convert to fraction form
7,618,335.12/10,513,463.04 = 4,180,546.08/x - Step 3: Cross multiply
7,618,335.12x = 10,513,463.04 × 4,180,546.08 - Step 4: Simplify right side
7,618,335.12x = 43,952,016,699,096.88 - Step 5: Solve for x
x = 43,952,016,699,096.88/7,618,335.12 - Step 6: Final answer
x = 5,769,241.71
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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.