Finding the Fourth Proportional to 16,128,461.60, 24,192,692.40 and 16,016,487.20
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Solution
The fourth proportional to 16,128,461.60, 24,192,692.40 and 16,016,487.20 is: 24,024,730.80
Step by Step Solution
- Step 1: Write the proportion equation
16,128,461.60 : 24,192,692.40 = 16,016,487.20 : x - Step 2: Convert to fraction form
16,128,461.60/24,192,692.40 = 16,016,487.20/x - Step 3: Cross multiply
16,128,461.60x = 24,192,692.40 × 16,016,487.20 - Step 4: Simplify right side
16,128,461.60x = 387,481,948,158,137.25 - Step 5: Solve for x
x = 387,481,948,158,137.25/16,128,461.60 - Step 6: Final answer
x = 24,024,730.80
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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.