Finding the Fourth Proportional to 9,023,919.21, 13,531,679.78 and 3,342,618.09
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Solution
The fourth proportional to 9,023,919.21, 13,531,679.78 and 3,342,618.09 is: 5,012,371.74
Step by Step Solution
- Step 1: Write the proportion equation
9,023,919.21 : 13,531,679.78 = 3,342,618.09 : x - Step 2: Convert to fraction form
9,023,919.21/13,531,679.78 = 3,342,618.09/x - Step 3: Cross multiply
9,023,919.21x = 13,531,679.78 × 3,342,618.09 - Step 4: Simplify right side
9,023,919.21x = 45,231,237,604,002.13 - Step 5: Solve for x
x = 45,231,237,604,002.13/9,023,919.21 - Step 6: Final answer
x = 5,012,371.74
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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.