Finding the Fourth Proportional to 56,876,625.92, 78,487,802.88 and 32,438,213.12
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Solution
The fourth proportional to 56,876,625.92, 78,487,802.88 and 32,438,213.12 is: 44,763,627.17
Step by Step Solution
- Step 1: Write the proportion equation
56,876,625.92 : 78,487,802.88 = 32,438,213.12 : x - Step 2: Convert to fraction form
56,876,625.92/78,487,802.88 = 32,438,213.12/x - Step 3: Cross multiply
56,876,625.92x = 78,487,802.88 × 32,438,213.12 - Step 4: Simplify right side
56,876,625.92x = 2,546,004,077,141,989.50 - Step 5: Solve for x
x = 2,546,004,077,141,989.50/56,876,625.92 - Step 6: Final answer
x = 44,763,627.17
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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.