Finding the Fourth Proportional to 18,069,257.17, 27,103,884.99 and 5,289,761.85
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Solution
The fourth proportional to 18,069,257.17, 27,103,884.99 and 5,289,761.85 is: 7,934,642.55
Step by Step Solution
- Step 1: Write the proportion equation
18,069,257.17 : 27,103,884.99 = 5,289,761.85 : x - Step 2: Convert to fraction form
18,069,257.17/27,103,884.99 = 5,289,761.85/x - Step 3: Cross multiply
18,069,257.17x = 27,103,884.99 × 5,289,761.85 - Step 4: Simplify right side
18,069,257.17x = 143,373,096,806,889.62 - Step 5: Solve for x
x = 143,373,096,806,889.62/18,069,257.17 - Step 6: Final answer
x = 7,934,642.55
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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.