Finding the Fourth Proportional to 22,924,873.74, 31,636,586.97 and 13,135,121.40
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Solution
The fourth proportional to 22,924,873.74, 31,636,586.97 and 13,135,121.40 is: 18,126,617.20
Step by Step Solution
- Step 1: Write the proportion equation
22,924,873.74 : 31,636,586.97 = 13,135,121.40 : x - Step 2: Convert to fraction form
22,924,873.74/31,636,586.97 = 13,135,121.40/x - Step 3: Cross multiply
22,924,873.74x = 31,636,586.97 × 13,135,121.40 - Step 4: Simplify right side
22,924,873.74x = 415,550,410,532,608.12 - Step 5: Solve for x
x = 415,550,410,532,608.12/22,924,873.74 - Step 6: Final answer
x = 18,126,617.20
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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.