Finding the Fourth Proportional to 40,969,070.64, 56,536,657.97 and 22,383,811.80
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Solution
The fourth proportional to 40,969,070.64, 56,536,657.97 and 22,383,811.80 is: 30,889,299.95
Step by Step Solution
- Step 1: Write the proportion equation
40,969,070.64 : 56,536,657.97 = 22,383,811.80 : x - Step 2: Convert to fraction form
40,969,070.64/56,536,657.97 = 22,383,811.80/x - Step 3: Cross multiply
40,969,070.64x = 56,536,657.97 × 22,383,811.80 - Step 4: Simplify right side
40,969,070.64x = 1,265,505,911,689,531 - Step 5: Solve for x
x = 1,265,505,911,689,531/40,969,070.64 - Step 6: Final answer
x = 30,889,299.95
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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.