Finding the Fourth Proportional to 11,484,991.80, 15,849,994.68 and 6,328,351.98
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Solution
The fourth proportional to 11,484,991.80, 15,849,994.68 and 6,328,351.98 is: 8,733,514.74
Step by Step Solution
- Step 1: Write the proportion equation
11,484,991.80 : 15,849,994.68 = 6,328,351.98 : x - Step 2: Convert to fraction form
11,484,991.80/15,849,994.68 = 6,328,351.98/x - Step 3: Cross multiply
11,484,991.80x = 15,849,994.68 × 6,328,351.98 - Step 4: Simplify right side
11,484,991.80x = 100,304,345,216,167.47 - Step 5: Solve for x
x = 100,304,345,216,167.47/11,484,991.80 - Step 6: Final answer
x = 8,733,514.74
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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.