Finding the Fourth Proportional to 14,743,865.44, 20,346,738 and 8,217,313.12
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Solution
The fourth proportional to 14,743,865.44, 20,346,738 and 8,217,313.12 is: 11,340,005.63
Step by Step Solution
- Step 1: Write the proportion equation
14,743,865.44 : 20,346,738 = 8,217,313.12 : x - Step 2: Convert to fraction form
14,743,865.44/20,346,738 = 8,217,313.12/x - Step 3: Cross multiply
14,743,865.44x = 20,346,738 × 8,217,313.12 - Step 4: Simplify right side
14,743,865.44x = 167,195,517,116,602.56 - Step 5: Solve for x
x = 167,195,517,116,602.56/14,743,865.44 - Step 6: Final answer
x = 11,340,005.63
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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.