Finding the Fourth Proportional to 9,639,640.95, 13,302,840.24 and 5,288,648.19
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Solution
The fourth proportional to 9,639,640.95, 13,302,840.24 and 5,288,648.19 is: 7,298,408.97
Step by Step Solution
- Step 1: Write the proportion equation
9,639,640.95 : 13,302,840.24 = 5,288,648.19 : x - Step 2: Convert to fraction form
9,639,640.95/13,302,840.24 = 5,288,648.19/x - Step 3: Cross multiply
9,639,640.95x = 13,302,840.24 × 5,288,648.19 - Step 4: Simplify right side
9,639,640.95x = 70,354,041,957,135.17 - Step 5: Solve for x
x = 70,354,041,957,135.17/9,639,640.95 - Step 6: Final answer
x = 7,298,408.97
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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.