Finding the Fourth Proportional to 11,128,263.70, 16,693,527.12 and 3,840,774.98
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Solution
The fourth proportional to 11,128,263.70, 16,693,527.12 and 3,840,774.98 is: 5,761,553.02
Step by Step Solution
- Step 1: Write the proportion equation
11,128,263.70 : 16,693,527.12 = 3,840,774.98 : x - Step 2: Convert to fraction form
11,128,263.70/16,693,527.12 = 3,840,774.98/x - Step 3: Cross multiply
11,128,263.70x = 16,693,527.12 × 3,840,774.98 - Step 4: Simplify right side
11,128,263.70x = 64,116,081,290,447.45 - Step 5: Solve for x
x = 64,116,081,290,447.45/11,128,263.70 - Step 6: Final answer
x = 5,761,553.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.