Finding the Fourth Proportional to 8,642,953.14, 11,927,250.84 and 4,775,446.74
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Solution
The fourth proportional to 8,642,953.14, 11,927,250.84 and 4,775,446.74 is: 6,590,102.98
Step by Step Solution
- Step 1: Write the proportion equation
8,642,953.14 : 11,927,250.84 = 4,775,446.74 : x - Step 2: Convert to fraction form
8,642,953.14/11,927,250.84 = 4,775,446.74/x - Step 3: Cross multiply
8,642,953.14x = 11,927,250.84 × 4,775,446.74 - Step 4: Simplify right side
8,642,953.14x = 56,957,951,203,675.38 - Step 5: Solve for x
x = 56,957,951,203,675.38/8,642,953.14 - Step 6: Final answer
x = 6,590,102.98
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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.