Finding the Fourth Proportional to 38,063,991.99, 52,528,362.12 and 20,660,341.17
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Solution
The fourth proportional to 38,063,991.99, 52,528,362.12 and 20,660,341.17 is: 28,511,299.68
Step by Step Solution
- Step 1: Write the proportion equation
38,063,991.99 : 52,528,362.12 = 20,660,341.17 : x - Step 2: Convert to fraction form
38,063,991.99/52,528,362.12 = 20,660,341.17/x - Step 3: Cross multiply
38,063,991.99x = 52,528,362.12 × 20,660,341.17 - Step 4: Simplify right side
38,063,991.99x = 1,085,253,882,500,504.50 - Step 5: Solve for x
x = 1,085,253,882,500,504.50/38,063,991.99 - Step 6: Final answer
x = 28,511,299.68
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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.