Finding the Fourth Proportional to 16,782,201.19, 25,186,753.91 and 8,697,488.21
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Solution
The fourth proportional to 16,782,201.19, 25,186,753.91 and 8,697,488.21 is: 13,053,203.97
Step by Step Solution
- Step 1: Write the proportion equation
16,782,201.19 : 25,186,753.91 = 8,697,488.21 : x - Step 2: Convert to fraction form
16,782,201.19/25,186,753.91 = 8,697,488.21/x - Step 3: Cross multiply
16,782,201.19x = 25,186,753.91 × 8,697,488.21 - Step 4: Simplify right side
16,782,201.19x = 219,061,495,180,396.44 - Step 5: Solve for x
x = 219,061,495,180,396.44/16,782,201.19 - Step 6: Final answer
x = 13,053,203.97
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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.