Finding the Fourth Proportional to 18,777,747.05, 28,166,318.17 and 5,998,167.53
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Solution
The fourth proportional to 18,777,747.05, 28,166,318.17 and 5,998,167.53 is: 8,997,154.69
Step by Step Solution
- Step 1: Write the proportion equation
18,777,747.05 : 28,166,318.17 = 5,998,167.53 : x - Step 2: Convert to fraction form
18,777,747.05/28,166,318.17 = 5,998,167.53/x - Step 3: Cross multiply
18,777,747.05x = 28,166,318.17 × 5,998,167.53 - Step 4: Simplify right side
18,777,747.05x = 168,946,294,931,116.03 - Step 5: Solve for x
x = 168,946,294,931,116.03/18,777,747.05 - Step 6: Final answer
x = 8,997,154.69
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1.5x scale
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.