Finding the Fourth Proportional to 29,121,680.70, 43,682,521.05 and 19,541,648.70
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Solution
The fourth proportional to 29,121,680.70, 43,682,521.05 and 19,541,648.70 is: 29,312,473.05
Step by Step Solution
- Step 1: Write the proportion equation
29,121,680.70 : 43,682,521.05 = 19,541,648.70 : x - Step 2: Convert to fraction form
29,121,680.70/43,682,521.05 = 19,541,648.70/x - Step 3: Cross multiply
29,121,680.70x = 43,682,521.05 × 19,541,648.70 - Step 4: Simplify right side
29,121,680.70x = 853,628,480,689,455 - Step 5: Solve for x
x = 853,628,480,689,455/29,121,680.70 - Step 6: Final answer
x = 29,312,473.05
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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.