Finding the Fourth Proportional to 22,949,269.14, 31,670,768.75 and 12,495,690.92
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Solution
The fourth proportional to 22,949,269.14, 31,670,768.75 and 12,495,690.92 is: 17,244,476.72
Step by Step Solution
- Step 1: Write the proportion equation
22,949,269.14 : 31,670,768.75 = 12,495,690.92 : x - Step 2: Convert to fraction form
22,949,269.14/31,670,768.75 = 12,495,690.92/x - Step 3: Cross multiply
22,949,269.14x = 31,670,768.75 × 12,495,690.92 - Step 4: Simplify right side
22,949,269.14x = 395,748,137,515,493.19 - Step 5: Solve for x
x = 395,748,137,515,493.19/22,949,269.14 - Step 6: Final answer
x = 17,244,476.72
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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.