Finding the Fourth Proportional to 39,534,744.72, 54,559,087.20 and 22,130,987.52
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Solution
The fourth proportional to 39,534,744.72, 54,559,087.20 and 22,130,987.52 is: 30,541,400.65
Step by Step Solution
- Step 1: Write the proportion equation
39,534,744.72 : 54,559,087.20 = 22,130,987.52 : x - Step 2: Convert to fraction form
39,534,744.72/54,559,087.20 = 22,130,987.52/x - Step 3: Cross multiply
39,534,744.72x = 54,559,087.20 × 22,130,987.52 - Step 4: Simplify right side
39,534,744.72x = 1,207,446,477,925,791.75 - Step 5: Solve for x
x = 1,207,446,477,925,791.75/39,534,744.72 - Step 6: Final answer
x = 30,541,400.65
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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.