Finding the Fourth Proportional to 22,694,321.08, 31,317,071.34 and 12,380,429.08
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Solution
The fourth proportional to 22,694,321.08, 31,317,071.34 and 12,380,429.08 is: 17,084,396.55
Step by Step Solution
- Step 1: Write the proportion equation
22,694,321.08 : 31,317,071.34 = 12,380,429.08 : x - Step 2: Convert to fraction form
22,694,321.08/31,317,071.34 = 12,380,429.08/x - Step 3: Cross multiply
22,694,321.08x = 31,317,071.34 × 12,380,429.08 - Step 4: Simplify right side
22,694,321.08x = 387,718,780,718,170.56 - Step 5: Solve for x
x = 387,718,780,718,170.56/22,694,321.08 - Step 6: Final answer
x = 17,084,396.55
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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.