Finding the Fourth Proportional to 16,128,428.10, 24,192,642.15 and 11,019,077.70
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Solution
The fourth proportional to 16,128,428.10, 24,192,642.15 and 11,019,077.70 is: 16,528,616.55
Step by Step Solution
- Step 1: Write the proportion equation
16,128,428.10 : 24,192,642.15 = 11,019,077.70 : x - Step 2: Convert to fraction form
16,128,428.10/24,192,642.15 = 11,019,077.70/x - Step 3: Cross multiply
16,128,428.10x = 24,192,642.15 × 11,019,077.70 - Step 4: Simplify right side
16,128,428.10x = 266,580,603,619,145.03 - Step 5: Solve for x
x = 266,580,603,619,145.03/16,128,428.10 - Step 6: Final answer
x = 16,528,616.55
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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.