Finding the Fourth Proportional to 18,467,447.58, 27,702,563.76 and 5,512,575.15
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Solution
The fourth proportional to 18,467,447.58, 27,702,563.76 and 5,512,575.15 is: 8,269,278.36
Step by Step Solution
- Step 1: Write the proportion equation
18,467,447.58 : 27,702,563.76 = 5,512,575.15 : x - Step 2: Convert to fraction form
18,467,447.58/27,702,563.76 = 5,512,575.15/x - Step 3: Cross multiply
18,467,447.58x = 27,702,563.76 × 5,512,575.15 - Step 4: Simplify right side
18,467,447.58x = 152,712,464,574,666.59 - Step 5: Solve for x
x = 152,712,464,574,666.59/18,467,447.58 - Step 6: Final answer
x = 8,269,278.36
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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.