Finding the Fourth Proportional to 15,083,550.08, 20,815,737.12 and 8,208,475.52
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Solution
The fourth proportional to 15,083,550.08, 20,815,737.12 and 8,208,475.52 is: 11,327,934.58
Step by Step Solution
- Step 1: Write the proportion equation
15,083,550.08 : 20,815,737.12 = 8,208,475.52 : x - Step 2: Convert to fraction form
15,083,550.08/20,815,737.12 = 8,208,475.52/x - Step 3: Cross multiply
15,083,550.08x = 20,815,737.12 × 8,208,475.52 - Step 4: Simplify right side
15,083,550.08x = 170,865,468,580,275.31 - Step 5: Solve for x
x = 170,865,468,580,275.31/15,083,550.08 - Step 6: Final answer
x = 11,327,934.58
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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.