Finding the Fourth Proportional to 11,491,508.94, 15,858,389.30 and 6,335,055.01
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Solution
The fourth proportional to 11,491,508.94, 15,858,389.30 and 6,335,055.01 is: 8,742,434.88
Step by Step Solution
- Step 1: Write the proportion equation
11,491,508.94 : 15,858,389.30 = 6,335,055.01 : x - Step 2: Convert to fraction form
11,491,508.94/15,858,389.30 = 6,335,055.01/x - Step 3: Cross multiply
11,491,508.94x = 15,858,389.30 × 6,335,055.01 - Step 4: Simplify right side
11,491,508.94x = 100,463,768,585,495.39 - Step 5: Solve for x
x = 100,463,768,585,495.39/11,491,508.94 - Step 6: Final answer
x = 8,742,434.88
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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.