Finding the Fourth Proportional to 14,920,863.40, 22,381,293.77 and 4,138,164.08
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Solution
The fourth proportional to 14,920,863.40, 22,381,293.77 and 4,138,164.08 is: 6,207,245.75
Step by Step Solution
- Step 1: Write the proportion equation
14,920,863.40 : 22,381,293.77 = 4,138,164.08 : x - Step 2: Convert to fraction form
14,920,863.40/22,381,293.77 = 4,138,164.08/x - Step 3: Cross multiply
14,920,863.40x = 22,381,293.77 × 4,138,164.08 - Step 4: Simplify right side
14,920,863.40x = 92,617,465,942,941.78 - Step 5: Solve for x
x = 92,617,465,942,941.78/14,920,863.40 - Step 6: Final answer
x = 6,207,245.75
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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.