Finding the Fourth Proportional to 20,923,559.84, 31,385,439.84 and 6,350,605.88
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Solution
The fourth proportional to 20,923,559.84, 31,385,439.84 and 6,350,605.88 is: 9,525,939.20
Step by Step Solution
- Step 1: Write the proportion equation
20,923,559.84 : 31,385,439.84 = 6,350,605.88 : x - Step 2: Convert to fraction form
20,923,559.84/31,385,439.84 = 6,350,605.88/x - Step 3: Cross multiply
20,923,559.84x = 31,385,439.84 × 6,350,605.88 - Step 4: Simplify right side
20,923,559.84x = 199,316,558,794,290.25 - Step 5: Solve for x
x = 199,316,558,794,290.25/20,923,559.84 - Step 6: Final answer
x = 9,525,939.20
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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.