Finding the Fourth Proportional to 23,729,021.48, 32,745,754.78 and 13,940,357.99
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Solution
The fourth proportional to 23,729,021.48, 32,745,754.78 and 13,940,357.99 is: 19,237,520.79
Step by Step Solution
- Step 1: Write the proportion equation
23,729,021.48 : 32,745,754.78 = 13,940,357.99 : x - Step 2: Convert to fraction form
23,729,021.48/32,745,754.78 = 13,940,357.99/x - Step 3: Cross multiply
23,729,021.48x = 32,745,754.78 × 13,940,357.99 - Step 4: Simplify right side
23,729,021.48x = 456,487,544,087,374 - Step 5: Solve for x
x = 456,487,544,087,374/23,729,021.48 - Step 6: Final answer
x = 19,237,520.79
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1.5x scale
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.