Finding the Fourth Proportional to 9,639,651.44, 13,302,854.74 and 5,288,658.68
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Solution
The fourth proportional to 9,639,651.44, 13,302,854.74 and 5,288,658.68 is: 7,298,423.46
Step by Step Solution
- Step 1: Write the proportion equation
9,639,651.44 : 13,302,854.74 = 5,288,658.68 : x - Step 2: Convert to fraction form
9,639,651.44/13,302,854.74 = 5,288,658.68/x - Step 3: Cross multiply
9,639,651.44x = 13,302,854.74 × 5,288,658.68 - Step 4: Simplify right side
9,639,651.44x = 70,354,258,189,480.14 - Step 5: Solve for x
x = 70,354,258,189,480.14/9,639,651.44 - Step 6: Final answer
x = 7,298,423.46
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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.