Finding the Fourth Proportional to 7,990,426.98, 11,026,623.15 and 4,368,754.98
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Solution
The fourth proportional to 7,990,426.98, 11,026,623.15 and 4,368,754.98 is: 6,028,791.07
Step by Step Solution
- Step 1: Write the proportion equation
7,990,426.98 : 11,026,623.15 = 4,368,754.98 : x - Step 2: Convert to fraction form
7,990,426.98/11,026,623.15 = 4,368,754.98/x - Step 3: Cross multiply
7,990,426.98x = 11,026,623.15 × 4,368,754.98 - Step 4: Simplify right side
7,990,426.98x = 48,172,614,799,145.80 - Step 5: Solve for x
x = 48,172,614,799,145.80/7,990,426.98 - Step 6: Final answer
x = 6,028,791.07
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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.