Finding the Fourth Proportional to 56,551,827.20, 84,771,753.60 and 27,774,406.40
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Solution
The fourth proportional to 56,551,827.20, 84,771,753.60 and 27,774,406.40 is: 41,634,112.50
Step by Step Solution
- Step 1: Write the proportion equation
56,551,827.20 : 84,771,753.60 = 27,774,406.40 : x - Step 2: Convert to fraction form
56,551,827.20/84,771,753.60 = 27,774,406.40/x - Step 3: Cross multiply
56,551,827.20x = 84,771,753.60 × 27,774,406.40 - Step 4: Simplify right side
56,551,827.20x = 2,354,485,135,727,062.50 - Step 5: Solve for x
x = 2,354,485,135,727,062.50/56,551,827.20 - Step 6: Final answer
x = 41,634,112.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.