Finding the Fourth Proportional to 29,792,207.80, 44,688,311.70 and 15,419,681.20
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Solution
The fourth proportional to 29,792,207.80, 44,688,311.70 and 15,419,681.20 is: 23,129,521.80
Step by Step Solution
- Step 1: Write the proportion equation
29,792,207.80 : 44,688,311.70 = 15,419,681.20 : x - Step 2: Convert to fraction form
29,792,207.80/44,688,311.70 = 15,419,681.20/x - Step 3: Cross multiply
29,792,207.80x = 44,688,311.70 × 15,419,681.20 - Step 4: Simplify right side
29,792,207.80x = 689,079,519,780,230 - Step 5: Solve for x
x = 689,079,519,780,230/29,792,207.80 - Step 6: Final answer
x = 23,129,521.80
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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.