Finding the Fourth Proportional to 36,291,241.60, 54,452,608.80 and 18,340,345.60
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Solution
The fourth proportional to 36,291,241.60, 54,452,608.80 and 18,340,345.60 is: 27,518,476.09
Step by Step Solution
- Step 1: Write the proportion equation
36,291,241.60 : 54,452,608.80 = 18,340,345.60 : x - Step 2: Convert to fraction form
36,291,241.60/54,452,608.80 = 18,340,345.60/x - Step 3: Cross multiply
36,291,241.60x = 54,452,608.80 × 18,340,345.60 - Step 4: Simplify right side
36,291,241.60x = 998,679,664,213,601.25 - Step 5: Solve for x
x = 998,679,664,213,601.25/36,291,241.60 - Step 6: Final answer
x = 27,518,476.09
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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.