Finding the Fourth Proportional to 18,608,452.28, 27,912,688.14 and 7,091,234
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Solution
The fourth proportional to 18,608,452.28, 27,912,688.14 and 7,091,234 is: 10,636,854.70
Step by Step Solution
- Step 1: Write the proportion equation
18,608,452.28 : 27,912,688.14 = 7,091,234 : x - Step 2: Convert to fraction form
18,608,452.28/27,912,688.14 = 7,091,234/x - Step 3: Cross multiply
18,608,452.28x = 27,912,688.14 × 7,091,234 - Step 4: Simplify right side
18,608,452.28x = 197,935,403,169,764.75 - Step 5: Solve for x
x = 197,935,403,169,764.75/18,608,452.28 - Step 6: Final answer
x = 10,636,854.70
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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.