Finding the Fourth Proportional to 10,702,984.55, 14,770,128.20 and 5,808,206.66
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Solution
The fourth proportional to 10,702,984.55, 14,770,128.20 and 5,808,206.66 is: 8,015,330.35
Step by Step Solution
- Step 1: Write the proportion equation
10,702,984.55 : 14,770,128.20 = 5,808,206.66 : x - Step 2: Convert to fraction form
10,702,984.55/14,770,128.20 = 5,808,206.66/x - Step 3: Cross multiply
10,702,984.55x = 14,770,128.20 × 5,808,206.66 - Step 4: Simplify right side
10,702,984.55x = 85,787,956,877,402.14 - Step 5: Solve for x
x = 85,787,956,877,402.14/10,702,984.55 - Step 6: Final answer
x = 8,015,330.35
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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.