Finding the Fourth Proportional to 10,782,022.08, 14,873,820.48 and 6,428,043.84
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Solution
The fourth proportional to 10,782,022.08, 14,873,820.48 and 6,428,043.84 is: 8,867,499.01
Step by Step Solution
- Step 1: Write the proportion equation
10,782,022.08 : 14,873,820.48 = 6,428,043.84 : x - Step 2: Convert to fraction form
10,782,022.08/14,873,820.48 = 6,428,043.84/x - Step 3: Cross multiply
10,782,022.08x = 14,873,820.48 × 6,428,043.84 - Step 4: Simplify right side
10,782,022.08x = 95,609,570,113,729.84 - Step 5: Solve for x
x = 95,609,570,113,729.84/10,782,022.08 - Step 6: Final answer
x = 8,867,499.01
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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.