Finding the Fourth Proportional to 21,352,839.84, 32,030,145.54 and 6,206,771.34
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Solution
The fourth proportional to 21,352,839.84, 32,030,145.54 and 6,206,771.34 is: 9,310,414.49
Step by Step Solution
- Step 1: Write the proportion equation
21,352,839.84 : 32,030,145.54 = 6,206,771.34 : x - Step 2: Convert to fraction form
21,352,839.84/32,030,145.54 = 6,206,771.34/x - Step 3: Cross multiply
21,352,839.84x = 32,030,145.54 × 6,206,771.34 - Step 4: Simplify right side
21,352,839.84x = 198,803,789,353,700.81 - Step 5: Solve for x
x = 198,803,789,353,700.81/21,352,839.84 - Step 6: Final answer
x = 9,310,414.49
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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.