Finding the Fourth Proportional to 10,261,326.60, 15,381,837.90 and 4,860,484.20
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Solution
The fourth proportional to 10,261,326.60, 15,381,837.90 and 4,860,484.20 is: 7,285,917.60
Step by Step Solution
- Step 1: Write the proportion equation
10,261,326.60 : 15,381,837.90 = 4,860,484.20 : x - Step 2: Convert to fraction form
10,261,326.60/15,381,837.90 = 4,860,484.20/x - Step 3: Cross multiply
10,261,326.60x = 15,381,837.90 × 4,860,484.20 - Step 4: Simplify right side
10,261,326.60x = 74,763,180,079,911.19 - Step 5: Solve for x
x = 74,763,180,079,911.19/10,261,326.60 - Step 6: Final answer
x = 7,285,917.60
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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.