Finding the Fourth Proportional to 16,128,763.70, 24,193,145.95 and 16,128,763.70
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Solution
The fourth proportional to 16,128,763.70, 24,193,145.95 and 16,128,763.70 is: 24,193,145.95
Step by Step Solution
- Step 1: Write the proportion equation
16,128,763.70 : 24,193,145.95 = 16,128,763.70 : x - Step 2: Convert to fraction form
16,128,763.70/24,193,145.95 = 16,128,763.70/x - Step 3: Cross multiply
16,128,763.70x = 24,193,145.95 × 16,128,763.70 - Step 4: Simplify right side
16,128,763.70x = 390,205,534,187,162 - Step 5: Solve for x
x = 390,205,534,187,162/16,128,763.70 - Step 6: Final answer
x = 24,193,145.95
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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.