Finding the Fourth Proportional to 10,148,846.17, 15,236,260.14 and 8,718,679.39
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Solution
The fourth proportional to 10,148,846.17, 15,236,260.14 and 8,718,679.39 is: 13,089,179.31
Step by Step Solution
- Step 1: Write the proportion equation
10,148,846.17 : 15,236,260.14 = 8,718,679.39 : x - Step 2: Convert to fraction form
10,148,846.17/15,236,260.14 = 8,718,679.39/x - Step 3: Cross multiply
10,148,846.17x = 15,236,260.14 × 8,718,679.39 - Step 4: Simplify right side
10,148,846.17x = 132,840,067,263,296.53 - Step 5: Solve for x
x = 132,840,067,263,296.53/10,148,846.17 - Step 6: Final answer
x = 13,089,179.31
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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.