Finding the Fourth Proportional to 16,488,534.30, 24,732,801.45 and 14,043,905.70
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Solution
The fourth proportional to 16,488,534.30, 24,732,801.45 and 14,043,905.70 is: 21,065,858.55
Step by Step Solution
- Step 1: Write the proportion equation
16,488,534.30 : 24,732,801.45 = 14,043,905.70 : x - Step 2: Convert to fraction form
16,488,534.30/24,732,801.45 = 14,043,905.70/x - Step 3: Cross multiply
16,488,534.30x = 24,732,801.45 × 14,043,905.70 - Step 4: Simplify right side
16,488,534.30x = 347,345,131,260,623.25 - Step 5: Solve for x
x = 347,345,131,260,623.25/16,488,534.30 - Step 6: Final answer
x = 21,065,858.55
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Double scale
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Similar ratio
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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.