Finding the Fourth Proportional to 28,980,239.13, 39,976,754.99 and 23,538,283.29
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Solution
The fourth proportional to 28,980,239.13, 39,976,754.99 and 23,538,283.29 is: 32,469,855.74
Step by Step Solution
- Step 1: Write the proportion equation
28,980,239.13 : 39,976,754.99 = 23,538,283.29 : x - Step 2: Convert to fraction form
28,980,239.13/39,976,754.99 = 23,538,283.29/x - Step 3: Cross multiply
28,980,239.13x = 39,976,754.99 × 23,538,283.29 - Step 4: Simplify right side
28,980,239.13x = 940,984,183,851,849.62 - Step 5: Solve for x
x = 940,984,183,851,849.62/28,980,239.13 - Step 6: Final answer
x = 32,469,855.74
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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.