Finding the Fourth Proportional to 19,964,782.90, 27,551,418.92 and 10,797,425.65
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Solution
The fourth proportional to 19,964,782.90, 27,551,418.92 and 10,797,425.65 is: 14,900,457.41
Step by Step Solution
- Step 1: Write the proportion equation
19,964,782.90 : 27,551,418.92 = 10,797,425.65 : x - Step 2: Convert to fraction form
19,964,782.90/27,551,418.92 = 10,797,425.65/x - Step 3: Cross multiply
19,964,782.90x = 27,551,418.92 × 10,797,425.65 - Step 4: Simplify right side
19,964,782.90x = 297,484,397,340,703.31 - Step 5: Solve for x
x = 297,484,397,340,703.31/19,964,782.90 - Step 6: Final answer
x = 14,900,457.41
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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.