Finding the Fourth Proportional to 14,239,891.84, 19,651,145.08 and 7,713,521.22
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Solution
The fourth proportional to 14,239,891.84, 19,651,145.08 and 7,713,521.22 is: 10,644,710.39
Step by Step Solution
- Step 1: Write the proportion equation
14,239,891.84 : 19,651,145.08 = 7,713,521.22 : x - Step 2: Convert to fraction form
14,239,891.84/19,651,145.08 = 7,713,521.22/x - Step 3: Cross multiply
14,239,891.84x = 19,651,145.08 × 7,713,521.22 - Step 4: Simplify right side
14,239,891.84x = 151,579,524,571,878.59 - Step 5: Solve for x
x = 151,579,524,571,878.59/14,239,891.84 - Step 6: Final answer
x = 10,644,710.39
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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.