Finding the Fourth Proportional to 22,531,879.03, 31,094,001.35 and 12,218,599.39
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Solution
The fourth proportional to 22,531,879.03, 31,094,001.35 and 12,218,599.39 is: 16,861,671.65
Step by Step Solution
- Step 1: Write the proportion equation
22,531,879.03 : 31,094,001.35 = 12,218,599.39 : x - Step 2: Convert to fraction form
22,531,879.03/31,094,001.35 = 12,218,599.39/x - Step 3: Cross multiply
22,531,879.03x = 31,094,001.35 × 12,218,599.39 - Step 4: Simplify right side
22,531,879.03x = 379,925,145,927,769.19 - Step 5: Solve for x
x = 379,925,145,927,769.19/22,531,879.03 - Step 6: Final answer
x = 16,861,671.65
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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.