Finding the Fourth Proportional to 35,138,913.12, 48,492,195.24 and 20,246,006.24
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Solution
The fourth proportional to 35,138,913.12, 48,492,195.24 and 20,246,006.24 is: 27,939,773.89
Step by Step Solution
- Step 1: Write the proportion equation
35,138,913.12 : 48,492,195.24 = 20,246,006.24 : x - Step 2: Convert to fraction form
35,138,913.12/48,492,195.24 = 20,246,006.24/x - Step 3: Cross multiply
35,138,913.12x = 48,492,195.24 × 20,246,006.24 - Step 4: Simplify right side
35,138,913.12x = 981,773,287,420,338.25 - Step 5: Solve for x
x = 981,773,287,420,338.25/35,138,913.12 - Step 6: Final answer
x = 27,939,773.89
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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.