Finding the Fourth Proportional to 10,406,996.64, 15,599,107.44 and 5,358,610.08
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Solution
The fourth proportional to 10,406,996.64, 15,599,107.44 and 5,358,610.08 is: 8,032,051.63
Step by Step Solution
- Step 1: Write the proportion equation
10,406,996.64 : 15,599,107.44 = 5,358,610.08 : x - Step 2: Convert to fraction form
10,406,996.64/15,599,107.44 = 5,358,610.08/x - Step 3: Cross multiply
10,406,996.64x = 15,599,107.44 × 5,358,610.08 - Step 4: Simplify right side
10,406,996.64x = 83,589,534,366,987 - Step 5: Solve for x
x = 83,589,534,366,987/10,406,996.64 - Step 6: Final answer
x = 8,032,051.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.