Finding the Fourth Proportional to 29,953,864.80, 44,904,553.20 and 20,338,063.20
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Solution
The fourth proportional to 29,953,864.80, 44,904,553.20 and 20,338,063.20 is: 30,489,275.66
Step by Step Solution
- Step 1: Write the proportion equation
29,953,864.80 : 44,904,553.20 = 20,338,063.20 : x - Step 2: Convert to fraction form
29,953,864.80/44,904,553.20 = 20,338,063.20/x - Step 3: Cross multiply
29,953,864.80x = 44,904,553.20 × 20,338,063.20 - Step 4: Simplify right side
29,953,864.80x = 913,271,640,949,362.25 - Step 5: Solve for x
x = 913,271,640,949,362.25/29,953,864.80 - Step 6: Final answer
x = 30,489,275.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.