Finding the Fourth Proportional to 16,128,995.80, 24,193,493.70 and 16,017,021.40
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Solution
The fourth proportional to 16,128,995.80, 24,193,493.70 and 16,017,021.40 is: 24,025,532.10
Step by Step Solution
- Step 1: Write the proportion equation
16,128,995.80 : 24,193,493.70 = 16,017,021.40 : x - Step 2: Convert to fraction form
16,128,995.80/24,193,493.70 = 16,017,021.40/x - Step 3: Cross multiply
16,128,995.80x = 24,193,493.70 × 16,017,021.40 - Step 4: Simplify right side
16,128,995.80x = 387,507,706,333,665.19 - Step 5: Solve for x
x = 387,507,706,333,665.19/16,128,995.80 - Step 6: Final answer
x = 24,025,532.10
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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.