Finding the Fourth Proportional to 14,239,868.41, 19,651,112.76 and 7,713,497.86
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Solution
The fourth proportional to 14,239,868.41, 19,651,112.76 and 7,713,497.86 is: 10,644,678.16
Step by Step Solution
- Step 1: Write the proportion equation
14,239,868.41 : 19,651,112.76 = 7,713,497.86 : x - Step 2: Convert to fraction form
14,239,868.41/19,651,112.76 = 7,713,497.86/x - Step 3: Cross multiply
14,239,868.41x = 19,651,112.76 × 7,713,497.86 - Step 4: Simplify right side
14,239,868.41x = 151,578,816,231,438.97 - Step 5: Solve for x
x = 151,578,816,231,438.97/14,239,868.41 - Step 6: Final answer
x = 10,644,678.16
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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.