Finding the Fourth Proportional to 18,118,796.88, 24,994,411.41 and 10,771,403.63
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Solution
The fourth proportional to 18,118,796.88, 24,994,411.41 and 10,771,403.63 is: 14,858,872.55
Step by Step Solution
- Step 1: Write the proportion equation
18,118,796.88 : 24,994,411.41 = 10,771,403.63 : x - Step 2: Convert to fraction form
18,118,796.88/24,994,411.41 = 10,771,403.63/x - Step 3: Cross multiply
18,118,796.88x = 24,994,411.41 × 10,771,403.63 - Step 4: Simplify right side
18,118,796.88x = 269,224,893,706,808.12 - Step 5: Solve for x
x = 269,224,893,706,808.12/18,118,796.88 - Step 6: Final answer
x = 14,858,872.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.