Finding the Fourth Proportional to 36,906,475.80, 55,359,713.70 and 19,900,363.80
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Solution
The fourth proportional to 36,906,475.80, 55,359,713.70 and 19,900,363.80 is: 29,850,545.70
Step by Step Solution
- Step 1: Write the proportion equation
36,906,475.80 : 55,359,713.70 = 19,900,363.80 : x - Step 2: Convert to fraction form
36,906,475.80/55,359,713.70 = 19,900,363.80/x - Step 3: Cross multiply
36,906,475.80x = 55,359,713.70 × 19,900,363.80 - Step 4: Simplify right side
36,906,475.80x = 1,101,678,442,493,844.12 - Step 5: Solve for x
x = 1,101,678,442,493,844.12/36,906,475.80 - Step 6: Final answer
x = 29,850,545.70
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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.