Finding the Fourth Proportional to 22,081,720.96, 30,470,638.08 and 16,283,624.32
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Solution
The fourth proportional to 22,081,720.96, 30,470,638.08 and 16,283,624.32 is: 22,469,825.80
Step by Step Solution
- Step 1: Write the proportion equation
22,081,720.96 : 30,470,638.08 = 16,283,624.32 : x - Step 2: Convert to fraction form
22,081,720.96/30,470,638.08 = 16,283,624.32/x - Step 3: Cross multiply
22,081,720.96x = 30,470,638.08 × 16,283,624.32 - Step 4: Simplify right side
22,081,720.96x = 496,172,423,285,406.06 - Step 5: Solve for x
x = 496,172,423,285,406.06/22,081,720.96 - Step 6: Final answer
x = 22,469,825.80
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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.