Finding the Fourth Proportional to 39,058,439.24, 53,900,548.80 and 21,654,336.44
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Solution
The fourth proportional to 39,058,439.24, 53,900,548.80 and 21,654,336.44 is: 29,882,930.31
Step by Step Solution
- Step 1: Write the proportion equation
39,058,439.24 : 53,900,548.80 = 21,654,336.44 : x - Step 2: Convert to fraction form
39,058,439.24/53,900,548.80 = 21,654,336.44/x - Step 3: Cross multiply
39,058,439.24x = 53,900,548.80 × 21,654,336.44 - Step 4: Simplify right side
39,058,439.24x = 1,167,180,618,015,838.25 - Step 5: Solve for x
x = 1,167,180,618,015,838.25/39,058,439.24 - Step 6: Final answer
x = 29,882,930.31
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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.