Finding the Fourth Proportional to 8,807,397.32, 12,153,236.50 and 4,939,122.44
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Solution
The fourth proportional to 8,807,397.32, 12,153,236.50 and 4,939,122.44 is: 6,815,443.99
Step by Step Solution
- Step 1: Write the proportion equation
8,807,397.32 : 12,153,236.50 = 4,939,122.44 : x - Step 2: Convert to fraction form
8,807,397.32/12,153,236.50 = 4,939,122.44/x - Step 3: Cross multiply
8,807,397.32x = 12,153,236.50 × 4,939,122.44 - Step 4: Simplify right side
8,807,397.32x = 60,026,323,115,777.06 - Step 5: Solve for x
x = 60,026,323,115,777.06/8,807,397.32 - Step 6: Final answer
x = 6,815,443.99
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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.