Finding the Fourth Proportional to 14,239,868.16, 19,651,112.41 and 7,713,497.61
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Solution
The fourth proportional to 14,239,868.16, 19,651,112.41 and 7,713,497.61 is: 10,644,677.82
Step by Step Solution
- Step 1: Write the proportion equation
14,239,868.16 : 19,651,112.41 = 7,713,497.61 : x - Step 2: Convert to fraction form
14,239,868.16/19,651,112.41 = 7,713,497.61/x - Step 3: Cross multiply
14,239,868.16x = 19,651,112.41 × 7,713,497.61 - Step 4: Simplify right side
14,239,868.16x = 151,578,808,672,634.97 - Step 5: Solve for x
x = 151,578,808,672,634.97/14,239,868.16 - Step 6: Final answer
x = 10,644,677.82
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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.