Finding the Fourth Proportional to 9,001,025.12, 12,420,079.00 and 5,466,983.99
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Solution
The fourth proportional to 9,001,025.12, 12,420,079.00 and 5,466,983.99 is: 7,543,626.65
Step by Step Solution
- Step 1: Write the proportion equation
9,001,025.12 : 12,420,079.00 = 5,466,983.99 : x - Step 2: Convert to fraction form
9,001,025.12/12,420,079.00 = 5,466,983.99/x - Step 3: Cross multiply
9,001,025.12x = 12,420,079.00 × 5,466,983.99 - Step 4: Simplify right side
9,001,025.12x = 67,900,372,971,767.36 - Step 5: Solve for x
x = 67,900,372,971,767.36/9,001,025.12 - Step 6: Final answer
x = 7,543,626.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.