Finding the Fourth Proportional to 29,892,402.20, 44,838,603.30 and 19,121,864.60
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Solution
The fourth proportional to 29,892,402.20, 44,838,603.30 and 19,121,864.60 is: 28,682,796.90
Step by Step Solution
- Step 1: Write the proportion equation
29,892,402.20 : 44,838,603.30 = 19,121,864.60 : x - Step 2: Convert to fraction form
29,892,402.20/44,838,603.30 = 19,121,864.60/x - Step 3: Cross multiply
29,892,402.20x = 44,838,603.30 × 19,121,864.60 - Step 4: Simplify right side
29,892,402.20x = 857,397,701,155,713.25 - Step 5: Solve for x
x = 857,397,701,155,713.25/29,892,402.20 - Step 6: Final answer
x = 28,682,796.90
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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.