Finding the Fourth Proportional to 41,998,517.80, 62,997,776.70 and 13,247,559.70
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Solution
The fourth proportional to 41,998,517.80, 62,997,776.70 and 13,247,559.70 is: 19,871,339.55
Step by Step Solution
- Step 1: Write the proportion equation
41,998,517.80 : 62,997,776.70 = 13,247,559.70 : x - Step 2: Convert to fraction form
41,998,517.80/62,997,776.70 = 13,247,559.70/x - Step 3: Cross multiply
41,998,517.80x = 62,997,776.70 × 13,247,559.70 - Step 4: Simplify right side
41,998,517.80x = 834,566,807,800,519 - Step 5: Solve for x
x = 834,566,807,800,519/41,998,517.80 - Step 6: Final answer
x = 19,871,339.55
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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.