Finding the Fourth Proportional to 22,346,121.20, 33,516,071.40 and 7,201,583.60
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Solution
The fourth proportional to 22,346,121.20, 33,516,071.40 and 7,201,583.60 is: 10,801,373.00
Step by Step Solution
- Step 1: Write the proportion equation
22,346,121.20 : 33,516,071.40 = 7,201,583.60 : x - Step 2: Convert to fraction form
22,346,121.20/33,516,071.40 = 7,201,583.60/x - Step 3: Cross multiply
22,346,121.20x = 33,516,071.40 × 7,201,583.60 - Step 4: Simplify right side
22,346,121.20x = 241,368,790,130,669.03 - Step 5: Solve for x
x = 241,368,790,130,669.03/22,346,121.20 - Step 6: Final answer
x = 10,801,373.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.