Finding the Fourth Proportional to 38,852,286.48, 53,614,747.12 and 21,448,257.12
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Solution
The fourth proportional to 38,852,286.48, 53,614,747.12 and 21,448,257.12 is: 29,597,817.42
Step by Step Solution
- Step 1: Write the proportion equation
38,852,286.48 : 53,614,747.12 = 21,448,257.12 : x - Step 2: Convert to fraction form
38,852,286.48/53,614,747.12 = 21,448,257.12/x - Step 3: Cross multiply
38,852,286.48x = 53,614,747.12 × 21,448,257.12 - Step 4: Simplify right side
38,852,286.48x = 1,149,942,881,653,539.50 - Step 5: Solve for x
x = 1,149,942,881,653,539.50/38,852,286.48 - Step 6: Final answer
x = 29,597,817.42
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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.