Finding the Fourth Proportional to 18,110,169.51, 24,989,765.58 and 12,242,570.42
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Solution
The fourth proportional to 18,110,169.51, 24,989,765.58 and 12,242,570.42 is: 16,893,213.76
Step by Step Solution
- Step 1: Write the proportion equation
18,110,169.51 : 24,989,765.58 = 12,242,570.42 : x - Step 2: Convert to fraction form
18,110,169.51/24,989,765.58 = 12,242,570.42/x - Step 3: Cross multiply
18,110,169.51x = 24,989,765.58 × 12,242,570.42 - Step 4: Simplify right side
18,110,169.51x = 305,938,964,767,493.25 - Step 5: Solve for x
x = 305,938,964,767,493.25/18,110,169.51 - Step 6: Final answer
x = 16,893,213.76
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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.