Finding the Fourth Proportional to 22,694,851.68, 31,318,746.84 and 12,905,296.44
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Solution
The fourth proportional to 22,694,851.68, 31,318,746.84 and 12,905,296.44 is: 17,809,224.66
Step by Step Solution
- Step 1: Write the proportion equation
22,694,851.68 : 31,318,746.84 = 12,905,296.44 : x - Step 2: Convert to fraction form
22,694,851.68/31,318,746.84 = 12,905,296.44/x - Step 3: Cross multiply
22,694,851.68x = 31,318,746.84 × 12,905,296.44 - Step 4: Simplify right side
22,694,851.68x = 404,177,712,099,513.25 - Step 5: Solve for x
x = 404,177,712,099,513.25/22,694,851.68 - Step 6: Final answer
x = 17,809,224.66
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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.