Finding the Fourth Proportional to 38,735,960.49, 53,453,898.41 and 22,204,230.93
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Solution
The fourth proportional to 38,735,960.49, 53,453,898.41 and 22,204,230.93 is: 30,640,848.69
Step by Step Solution
- Step 1: Write the proportion equation
38,735,960.49 : 53,453,898.41 = 22,204,230.93 : x - Step 2: Convert to fraction form
38,735,960.49/53,453,898.41 = 22,204,230.93/x - Step 3: Cross multiply
38,735,960.49x = 53,453,898.41 × 22,204,230.93 - Step 4: Simplify right side
38,735,960.49x = 1,186,902,704,293,378.75 - Step 5: Solve for x
x = 1,186,902,704,293,378.75/38,735,960.49 - Step 6: Final answer
x = 30,640,848.69
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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.