Finding the Fourth Proportional to 11,890,409.50, 16,408,215.98 and 6,733,807.96
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Solution
The fourth proportional to 11,890,409.50, 16,408,215.98 and 6,733,807.96 is: 9,292,344.00
Step by Step Solution
- Step 1: Write the proportion equation
11,890,409.50 : 16,408,215.98 = 6,733,807.96 : x - Step 2: Convert to fraction form
11,890,409.50/16,408,215.98 = 6,733,807.96/x - Step 3: Cross multiply
11,890,409.50x = 16,408,215.98 × 6,733,807.96 - Step 4: Simplify right side
11,890,409.50x = 110,489,775,375,523.20 - Step 5: Solve for x
x = 110,489,775,375,523.20/11,890,409.50 - Step 6: Final answer
x = 9,292,344.00
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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.