Finding the Fourth Proportional to 10,778,163.60, 16,167,245.40 and 10,246,722.60
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Solution
The fourth proportional to 10,778,163.60, 16,167,245.40 and 10,246,722.60 is: 15,370,083.90
Step by Step Solution
- Step 1: Write the proportion equation
10,778,163.60 : 16,167,245.40 = 10,246,722.60 : x - Step 2: Convert to fraction form
10,778,163.60/16,167,245.40 = 10,246,722.60/x - Step 3: Cross multiply
10,778,163.60x = 16,167,245.40 × 10,246,722.60 - Step 4: Simplify right side
10,778,163.60x = 165,661,278,819,926.03 - Step 5: Solve for x
x = 165,661,278,819,926.03/10,778,163.60 - Step 6: Final answer
x = 15,370,083.90
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1.5x scale
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.