Finding the Fourth Proportional to 36,201,744.60, 54,302,616.90 and 20,896,243.80
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Solution
The fourth proportional to 36,201,744.60, 54,302,616.90 and 20,896,243.80 is: 31,344,365.70
Step by Step Solution
- Step 1: Write the proportion equation
36,201,744.60 : 54,302,616.90 = 20,896,243.80 : x - Step 2: Convert to fraction form
36,201,744.60/54,302,616.90 = 20,896,243.80/x - Step 3: Cross multiply
36,201,744.60x = 54,302,616.90 × 20,896,243.80 - Step 4: Simplify right side
36,201,744.60x = 1,134,720,721,720,400.25 - Step 5: Solve for x
x = 1,134,720,721,720,400.25/36,201,744.60 - Step 6: Final answer
x = 31,344,365.70
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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.