Finding the Fourth Proportional to 11,066,181.59, 15,266,118.53 and 7,197,291.11
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Solution
The fourth proportional to 11,066,181.59, 15,266,118.53 and 7,197,291.11 is: 9,928,871.88
Step by Step Solution
- Step 1: Write the proportion equation
11,066,181.59 : 15,266,118.53 = 7,197,291.11 : x - Step 2: Convert to fraction form
11,066,181.59/15,266,118.53 = 7,197,291.11/x - Step 3: Cross multiply
11,066,181.59x = 15,266,118.53 × 7,197,291.11 - Step 4: Simplify right side
11,066,181.59x = 109,874,699,236,333.80 - Step 5: Solve for x
x = 109,874,699,236,333.80/11,066,181.59 - Step 6: Final answer
x = 9,928,871.88
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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.