Finding the Fourth Proportional to 10,935,906.80, 16,403,860.20 and 6,684,378.80
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Solution
The fourth proportional to 10,935,906.80, 16,403,860.20 and 6,684,378.80 is: 10,026,568.20
Step by Step Solution
- Step 1: Write the proportion equation
10,935,906.80 : 16,403,860.20 = 6,684,378.80 : x - Step 2: Convert to fraction form
10,935,906.80/16,403,860.20 = 6,684,378.80/x - Step 3: Cross multiply
10,935,906.80x = 16,403,860.20 × 6,684,378.80 - Step 4: Simplify right side
10,935,906.80x = 109,649,615,359,043.75 - Step 5: Solve for x
x = 109,649,615,359,043.75/10,935,906.80 - Step 6: Final answer
x = 10,026,568.20
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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.