Finding the Fourth Proportional to 10,352,139.20, 15,542,205.60 and 6,573,003.20
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Solution
The fourth proportional to 10,352,139.20, 15,542,205.60 and 6,573,003.20 is: 9,868,391.95
Step by Step Solution
- Step 1: Write the proportion equation
10,352,139.20 : 15,542,205.60 = 6,573,003.20 : x - Step 2: Convert to fraction form
10,352,139.20/15,542,205.60 = 6,573,003.20/x - Step 3: Cross multiply
10,352,139.20x = 15,542,205.60 × 6,573,003.20 - Step 4: Simplify right side
10,352,139.20x = 102,158,967,143,857.92 - Step 5: Solve for x
x = 102,158,967,143,857.92/10,352,139.20 - Step 6: Final answer
x = 9,868,391.95
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1.5x scale
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.