Finding the Fourth Proportional to 16,000,927.12, 22,081,337.49 and 8,658,759.43
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Solution
The fourth proportional to 16,000,927.12, 22,081,337.49 and 8,658,759.43 is: 11,949,119.43
Step by Step Solution
- Step 1: Write the proportion equation
16,000,927.12 : 22,081,337.49 = 8,658,759.43 : x - Step 2: Convert to fraction form
16,000,927.12/22,081,337.49 = 8,658,759.43/x - Step 3: Cross multiply
16,000,927.12x = 22,081,337.49 × 8,658,759.43 - Step 4: Simplify right side
16,000,927.12x = 191,196,989,218,550 - Step 5: Solve for x
x = 191,196,989,218,550/16,000,927.12 - Step 6: Final answer
x = 11,949,119.43
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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.