Finding the Fourth Proportional to 19,416,101.10, 29,121,818.85 and 8,055,365.10
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Solution
The fourth proportional to 19,416,101.10, 29,121,818.85 and 8,055,365.10 is: 12,082,079.82
Step by Step Solution
- Step 1: Write the proportion equation
19,416,101.10 : 29,121,818.85 = 8,055,365.10 : x - Step 2: Convert to fraction form
19,416,101.10/29,121,818.85 = 8,055,365.10/x - Step 3: Cross multiply
19,416,101.10x = 29,121,818.85 × 8,055,365.10 - Step 4: Simplify right side
19,416,101.10x = 234,586,883,212,812.12 - Step 5: Solve for x
x = 234,586,883,212,812.12/19,416,101.10 - Step 6: Final answer
x = 12,082,079.82
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1.5x scale
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.