Finding the Fourth Proportional to 38,327,248.77, 52,891,334.23 and 20,923,593.99
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Solution
The fourth proportional to 38,327,248.77, 52,891,334.23 and 20,923,593.99 is: 28,874,412.81
Step by Step Solution
- Step 1: Write the proportion equation
38,327,248.77 : 52,891,334.23 = 20,923,593.99 : x - Step 2: Convert to fraction form
38,327,248.77/52,891,334.23 = 20,923,593.99/x - Step 3: Cross multiply
38,327,248.77x = 52,891,334.23 × 20,923,593.99 - Step 4: Simplify right side
38,327,248.77x = 1,106,676,802,753,452.50 - Step 5: Solve for x
x = 1,106,676,802,753,452.50/38,327,248.77 - Step 6: Final answer
x = 28,874,412.81
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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.