Finding the Fourth Proportional to 22,507,052.30, 31,059,762.63 and 12,193,775.09
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Solution
The fourth proportional to 22,507,052.30, 31,059,762.63 and 12,193,775.09 is: 16,827,426.12
Step by Step Solution
- Step 1: Write the proportion equation
22,507,052.30 : 31,059,762.63 = 12,193,775.09 : x - Step 2: Convert to fraction form
22,507,052.30/31,059,762.63 = 12,193,775.09/x - Step 3: Cross multiply
22,507,052.30x = 31,059,762.63 × 12,193,775.09 - Step 4: Simplify right side
22,507,052.30x = 378,735,759,859,006.88 - Step 5: Solve for x
x = 378,735,759,859,006.88/22,507,052.30 - Step 6: Final answer
x = 16,827,426.12
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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.