Finding the Fourth Proportional to 10,962,422.20, 15,127,756.68 and 6,067,653.76
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Solution
The fourth proportional to 10,962,422.20, 15,127,756.68 and 6,067,653.76 is: 8,373,148.56
Step by Step Solution
- Step 1: Write the proportion equation
10,962,422.20 : 15,127,756.68 = 6,067,653.76 : x - Step 2: Convert to fraction form
10,962,422.20/15,127,756.68 = 6,067,653.76/x - Step 3: Cross multiply
10,962,422.20x = 15,127,756.68 × 6,067,653.76 - Step 4: Simplify right side
10,962,422.20x = 91,789,989,699,767.11 - Step 5: Solve for x
x = 91,789,989,699,767.11/10,962,422.20 - Step 6: Final answer
x = 8,373,148.56
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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.