Finding the Fourth Proportional to 14,806,235.88, 20,432,465.46 and 8,279,790.48
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Solution
The fourth proportional to 14,806,235.88, 20,432,465.46 and 8,279,790.48 is: 11,426,032.54
Step by Step Solution
- Step 1: Write the proportion equation
14,806,235.88 : 20,432,465.46 = 8,279,790.48 : x - Step 2: Convert to fraction form
14,806,235.88/20,432,465.46 = 8,279,790.48/x - Step 3: Cross multiply
14,806,235.88x = 20,432,465.46 × 8,279,790.48 - Step 4: Simplify right side
14,806,235.88x = 169,176,532,998,636.84 - Step 5: Solve for x
x = 169,176,532,998,636.84/14,806,235.88 - Step 6: Final answer
x = 11,426,032.54
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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.