Finding the Fourth Proportional to 22,506,738.26, 31,059,448.04 and 12,193,461.38
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Solution
The fourth proportional to 22,506,738.26, 31,059,448.04 and 12,193,461.38 is: 16,827,057.57
Step by Step Solution
- Step 1: Write the proportion equation
22,506,738.26 : 31,059,448.04 = 12,193,461.38 : x - Step 2: Convert to fraction form
22,506,738.26/31,059,448.04 = 12,193,461.38/x - Step 3: Cross multiply
22,506,738.26x = 31,059,448.04 × 12,193,461.38 - Step 4: Simplify right side
22,506,738.26x = 378,722,180,267,989 - Step 5: Solve for x
x = 378,722,180,267,989/22,506,738.26 - Step 6: Final answer
x = 16,827,057.57
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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.