Finding the Fourth Proportional to 35,407,702.68, 48,861,483.79 and 20,322,434.13
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Solution
The fourth proportional to 35,407,702.68, 48,861,483.79 and 20,322,434.13 is: 28,044,301.39
Step by Step Solution
- Step 1: Write the proportion equation
35,407,702.68 : 48,861,483.79 = 20,322,434.13 : x - Step 2: Convert to fraction form
35,407,702.68/48,861,483.79 = 20,322,434.13/x - Step 3: Cross multiply
35,407,702.68x = 48,861,483.79 × 20,322,434.13 - Step 4: Simplify right side
35,407,702.68x = 992,984,285,470,418.12 - Step 5: Solve for x
x = 992,984,285,470,418.12/35,407,702.68 - Step 6: Final answer
x = 28,044,301.39
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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.