Finding the Fourth Proportional to 14,272,202.11, 19,695,786.09 and 7,745,887.93
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Solution
The fourth proportional to 14,272,202.11, 19,695,786.09 and 7,745,887.93 is: 10,689,405.22
Step by Step Solution
- Step 1: Write the proportion equation
14,272,202.11 : 19,695,786.09 = 7,745,887.93 : x - Step 2: Convert to fraction form
14,272,202.11/19,695,786.09 = 7,745,887.93/x - Step 3: Cross multiply
14,272,202.11x = 19,695,786.09 × 7,745,887.93 - Step 4: Simplify right side
14,272,202.11x = 152,561,351,746,392.88 - Step 5: Solve for x
x = 152,561,351,746,392.88/14,272,202.11 - Step 6: Final answer
x = 10,689,405.22
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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.