Finding the Fourth Proportional to 11,078,982.84, 15,286,303.67 and 6,494,418.48
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Solution
The fourth proportional to 11,078,982.84, 15,286,303.67 and 6,494,418.48 is: 8,960,719.09
Step by Step Solution
- Step 1: Write the proportion equation
11,078,982.84 : 15,286,303.67 = 6,494,418.48 : x - Step 2: Convert to fraction form
11,078,982.84/15,286,303.67 = 6,494,418.48/x - Step 3: Cross multiply
11,078,982.84x = 15,286,303.67 × 6,494,418.48 - Step 4: Simplify right side
11,078,982.84x = 99,275,653,081,992.03 - Step 5: Solve for x
x = 99,275,653,081,992.03/11,078,982.84 - Step 6: Final answer
x = 8,960,719.09
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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.