Finding the Fourth Proportional to 41,998,515.80, 62,997,773.70 and 13,247,557.70
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Solution
The fourth proportional to 41,998,515.80, 62,997,773.70 and 13,247,557.70 is: 19,871,336.55
Step by Step Solution
- Step 1: Write the proportion equation
41,998,515.80 : 62,997,773.70 = 13,247,557.70 : x - Step 2: Convert to fraction form
41,998,515.80/62,997,773.70 = 13,247,557.70/x - Step 3: Cross multiply
41,998,515.80x = 62,997,773.70 × 13,247,557.70 - Step 4: Simplify right side
41,998,515.80x = 834,566,642,062,292.50 - Step 5: Solve for x
x = 834,566,642,062,292.50/41,998,515.80 - Step 6: Final answer
x = 19,871,336.55
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Similar ratio
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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.