Finding the Fourth Proportional to 22,586,115.06, 31,169,036.25 and 12,272,838.12
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Solution
The fourth proportional to 22,586,115.06, 31,169,036.25 and 12,272,838.12 is: 16,936,623.91
Step by Step Solution
- Step 1: Write the proportion equation
22,586,115.06 : 31,169,036.25 = 12,272,838.12 : x - Step 2: Convert to fraction form
22,586,115.06/31,169,036.25 = 12,272,838.12/x - Step 3: Cross multiply
22,586,115.06x = 31,169,036.25 × 12,272,838.12 - Step 4: Simplify right side
22,586,115.06x = 382,532,536,252,661.81 - Step 5: Solve for x
x = 382,532,536,252,661.81/22,586,115.06 - Step 6: Final answer
x = 16,936,623.91
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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.