Finding the Fourth Proportional to 19,823,770.13, 29,737,088.35 and 8,297,645.21
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Solution
The fourth proportional to 19,823,770.13, 29,737,088.35 and 8,297,645.21 is: 12,447,067.70
Step by Step Solution
- Step 1: Write the proportion equation
19,823,770.13 : 29,737,088.35 = 8,297,645.21 : x - Step 2: Convert to fraction form
19,823,770.13/29,737,088.35 = 8,297,645.21/x - Step 3: Cross multiply
19,823,770.13x = 29,737,088.35 × 8,297,645.21 - Step 4: Simplify right side
19,823,770.13x = 246,747,808,816,079.97 - Step 5: Solve for x
x = 246,747,808,816,079.97/19,823,770.13 - Step 6: Final answer
x = 12,447,067.70
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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.