Finding the Fourth Proportional to 13,652,771.91, 18,840,465.50 and 7,541,069.19
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Solution
The fourth proportional to 13,652,771.91, 18,840,465.50 and 7,541,069.19 is: 10,406,476.78
Step by Step Solution
- Step 1: Write the proportion equation
13,652,771.91 : 18,840,465.50 = 7,541,069.19 : x - Step 2: Convert to fraction form
13,652,771.91/18,840,465.50 = 7,541,069.19/x - Step 3: Cross multiply
13,652,771.91x = 18,840,465.50 × 7,541,069.19 - Step 4: Simplify right side
13,652,771.91x = 142,077,253,869,602.62 - Step 5: Solve for x
x = 142,077,253,869,602.62/13,652,771.91 - Step 6: Final answer
x = 10,406,476.78
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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.