Finding the Fourth Proportional to 8,807,396.32, 12,153,235.12 and 4,939,121.44
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Solution
The fourth proportional to 8,807,396.32, 12,153,235.12 and 4,939,121.44 is: 6,815,442.61
Step by Step Solution
- Step 1: Write the proportion equation
8,807,396.32 : 12,153,235.12 = 4,939,121.44 : x - Step 2: Convert to fraction form
8,807,396.32/12,153,235.12 = 4,939,121.44/x - Step 3: Cross multiply
8,807,396.32x = 12,153,235.12 × 4,939,121.44 - Step 4: Simplify right side
8,807,396.32x = 60,026,304,146,552.98 - Step 5: Solve for x
x = 60,026,304,146,552.98/8,807,396.32 - Step 6: Final answer
x = 6,815,442.61
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1.5x scale
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.