Finding the Fourth Proportional to 10,911,395.70, 16,367,093.55 and 6,659,867.70
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Solution
The fourth proportional to 10,911,395.70, 16,367,093.55 and 6,659,867.70 is: 9,989,801.55
Step by Step Solution
- Step 1: Write the proportion equation
10,911,395.70 : 16,367,093.55 = 6,659,867.70 : x - Step 2: Convert to fraction form
10,911,395.70/16,367,093.55 = 6,659,867.70/x - Step 3: Cross multiply
10,911,395.70x = 16,367,093.55 × 6,659,867.70 - Step 4: Simplify right side
10,911,395.70x = 109,002,677,676,523.34 - Step 5: Solve for x
x = 109,002,677,676,523.34/10,911,395.70 - Step 6: Final answer
x = 9,989,801.55
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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.