Finding the Fourth Proportional to 26,279,455.18, 39,397,841.99 and 10,938,228.08
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Solution
The fourth proportional to 26,279,455.18, 39,397,841.99 and 10,938,228.08 is: 16,398,459.50
Step by Step Solution
- Step 1: Write the proportion equation
26,279,455.18 : 39,397,841.99 = 10,938,228.08 : x - Step 2: Convert to fraction form
26,279,455.18/39,397,841.99 = 10,938,228.08/x - Step 3: Cross multiply
26,279,455.18x = 39,397,841.99 × 10,938,228.08 - Step 4: Simplify right side
26,279,455.18x = 430,942,581,491,729.94 - Step 5: Solve for x
x = 430,942,581,491,729.94/26,279,455.18 - Step 6: Final answer
x = 16,398,459.50
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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.