Finding the Fourth Proportional to 23,223,464.80, 34,793,206.80 and 19,864,232.80
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Solution
The fourth proportional to 23,223,464.80, 34,793,206.80 and 19,864,232.80 is: 29,760,432.64
Step by Step Solution
- Step 1: Write the proportion equation
23,223,464.80 : 34,793,206.80 = 19,864,232.80 : x - Step 2: Convert to fraction form
23,223,464.80/34,793,206.80 = 19,864,232.80/x - Step 3: Cross multiply
23,223,464.80x = 34,793,206.80 × 19,864,232.80 - Step 4: Simplify right side
23,223,464.80x = 691,140,359,733,743 - Step 5: Solve for x
x = 691,140,359,733,743/23,223,464.80 - Step 6: Final answer
x = 29,760,432.64
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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.