Finding the Fourth Proportional to 8,270,316.12, 12,406,252.18 and 2,434,505.68
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Solution
The fourth proportional to 8,270,316.12, 12,406,252.18 and 2,434,505.68 is: 3,651,987.54
Step by Step Solution
- Step 1: Write the proportion equation
8,270,316.12 : 12,406,252.18 = 2,434,505.68 : x - Step 2: Convert to fraction form
8,270,316.12/12,406,252.18 = 2,434,505.68/x - Step 3: Cross multiply
8,270,316.12x = 12,406,252.18 × 2,434,505.68 - Step 4: Simplify right side
8,270,316.12x = 30,203,091,399,722.38 - Step 5: Solve for x
x = 30,203,091,399,722.38/8,270,316.12 - Step 6: Final answer
x = 3,651,987.54
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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.