Finding the Fourth Proportional to 39,202,800.36, 54,097,642.32 and 21,798,771.92
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Solution
The fourth proportional to 39,202,800.36, 54,097,642.32 and 21,798,771.92 is: 30,081,069.61
Step by Step Solution
- Step 1: Write the proportion equation
39,202,800.36 : 54,097,642.32 = 21,798,771.92 : x - Step 2: Convert to fraction form
39,202,800.36/54,097,642.32 = 21,798,771.92/x - Step 3: Cross multiply
39,202,800.36x = 54,097,642.32 × 21,798,771.92 - Step 4: Simplify right side
39,202,800.36x = 1,179,262,166,343,419.75 - Step 5: Solve for x
x = 1,179,262,166,343,419.75/39,202,800.36 - Step 6: Final answer
x = 30,081,069.61
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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.