Finding the Fourth Proportional to 9,659,711.70, 14,489,567.55 and 4,620,863.70
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Solution
The fourth proportional to 9,659,711.70, 14,489,567.55 and 4,620,863.70 is: 6,931,295.55
Step by Step Solution
- Step 1: Write the proportion equation
9,659,711.70 : 14,489,567.55 = 4,620,863.70 : x - Step 2: Convert to fraction form
9,659,711.70/14,489,567.55 = 4,620,863.70/x - Step 3: Cross multiply
9,659,711.70x = 14,489,567.55 × 4,620,863.70 - Step 4: Simplify right side
9,659,711.70x = 66,954,316,720,492.94 - Step 5: Solve for x
x = 66,954,316,720,492.94/9,659,711.70 - Step 6: Final answer
x = 6,931,295.55
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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.