Finding the Fourth Proportional to 18,024,138.53, 24,864,973.49 and 15,961,256.45
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Solution
The fourth proportional to 18,024,138.53, 24,864,973.49 and 15,961,256.45 is: 22,019,150.47
Step by Step Solution
- Step 1: Write the proportion equation
18,024,138.53 : 24,864,973.49 = 15,961,256.45 : x - Step 2: Convert to fraction form
18,024,138.53/24,864,973.49 = 15,961,256.45/x - Step 3: Cross multiply
18,024,138.53x = 24,864,973.49 × 15,961,256.45 - Step 4: Simplify right side
18,024,138.53x = 396,876,218,416,535.19 - Step 5: Solve for x
x = 396,876,218,416,535.19/18,024,138.53 - Step 6: Final answer
x = 22,019,150.47
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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.