Finding the Fourth Proportional to 26,140,420.14, 39,202,311.30 and 8,629,716.90
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Solution
The fourth proportional to 26,140,420.14, 39,202,311.30 and 8,629,716.90 is: 12,941,829.03
Step by Step Solution
- Step 1: Write the proportion equation
26,140,420.14 : 39,202,311.30 = 8,629,716.90 : x - Step 2: Convert to fraction form
26,140,420.14/39,202,311.30 = 8,629,716.90/x - Step 3: Cross multiply
26,140,420.14x = 39,202,311.30 × 8,629,716.90 - Step 4: Simplify right side
26,140,420.14x = 338,304,848,344,670.94 - Step 5: Solve for x
x = 338,304,848,344,670.94/26,140,420.14 - Step 6: Final answer
x = 12,941,829.03
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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.