Finding the Fourth Proportional to 18,467,449.83, 27,702,567.14 and 5,512,577.40
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Solution
The fourth proportional to 18,467,449.83, 27,702,567.14 and 5,512,577.40 is: 8,269,281.73
Step by Step Solution
- Step 1: Write the proportion equation
18,467,449.83 : 27,702,567.14 = 5,512,577.40 : x - Step 2: Convert to fraction form
18,467,449.83/27,702,567.14 = 5,512,577.40/x - Step 3: Cross multiply
18,467,449.83x = 27,702,567.14 × 5,512,577.40 - Step 4: Simplify right side
18,467,449.83x = 152,712,545,510,383.78 - Step 5: Solve for x
x = 152,712,545,510,383.78/18,467,449.83 - Step 6: Final answer
x = 8,269,281.73
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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.