Finding the Fourth Proportional to 19,912,217.24, 29,872,680.66 and 6,450,406.04
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Solution
The fourth proportional to 19,912,217.24, 29,872,680.66 and 6,450,406.04 is: 9,677,019.76
Step by Step Solution
- Step 1: Write the proportion equation
19,912,217.24 : 29,872,680.66 = 6,450,406.04 : x - Step 2: Convert to fraction form
19,912,217.24/29,872,680.66 = 6,450,406.04/x - Step 3: Cross multiply
19,912,217.24x = 29,872,680.66 × 6,450,406.04 - Step 4: Simplify right side
19,912,217.24x = 192,690,919,760,255.19 - Step 5: Solve for x
x = 192,690,919,760,255.19/19,912,217.24 - Step 6: Final answer
x = 9,677,019.76
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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.