Finding the Fourth Proportional to 27,699,407.97, 38,227,162.20 and 15,309,234.87
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Solution
The fourth proportional to 27,699,407.97, 38,227,162.20 and 15,309,234.87 is: 21,127,838.01
Step by Step Solution
- Step 1: Write the proportion equation
27,699,407.97 : 38,227,162.20 = 15,309,234.87 : x - Step 2: Convert to fraction form
27,699,407.97/38,227,162.20 = 15,309,234.87/x - Step 3: Cross multiply
27,699,407.97x = 38,227,162.20 × 15,309,234.87 - Step 4: Simplify right side
27,699,407.97x = 585,228,604,533,385.88 - Step 5: Solve for x
x = 585,228,604,533,385.88/27,699,407.97 - Step 6: Final answer
x = 21,127,838.01
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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.