Finding the Fourth Proportional to 13,034,915.79, 19,554,201.19 and 3,935,981.57
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Solution
The fourth proportional to 13,034,915.79, 19,554,201.19 and 3,935,981.57 is: 5,904,524.18
Step by Step Solution
- Step 1: Write the proportion equation
13,034,915.79 : 19,554,201.19 = 3,935,981.57 : x - Step 2: Convert to fraction form
13,034,915.79/19,554,201.19 = 3,935,981.57/x - Step 3: Cross multiply
13,034,915.79x = 19,554,201.19 × 3,935,981.57 - Step 4: Simplify right side
13,034,915.79x = 76,964,975,407,061.03 - Step 5: Solve for x
x = 76,964,975,407,061.03/13,034,915.79 - Step 6: Final answer
x = 5,904,524.18
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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.