Finding the Fourth Proportional to 14,295,859.34, 19,728,438.30 and 7,769,489.14
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Solution
The fourth proportional to 14,295,859.34, 19,728,438.30 and 7,769,489.14 is: 10,721,977.85
Step by Step Solution
- Step 1: Write the proportion equation
14,295,859.34 : 19,728,438.30 = 7,769,489.14 : x - Step 2: Convert to fraction form
14,295,859.34/19,728,438.30 = 7,769,489.14/x - Step 3: Cross multiply
14,295,859.34x = 19,728,438.30 × 7,769,489.14 - Step 4: Simplify right side
14,295,859.34x = 153,279,887,121,010.06 - Step 5: Solve for x
x = 153,279,887,121,010.06/14,295,859.34 - Step 6: Final answer
x = 10,721,977.85
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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.