Finding the Fourth Proportional to 11,707,509.83, 16,155,958.14 and 6,480,745.98
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Solution
The fourth proportional to 11,707,509.83, 16,155,958.14 and 6,480,745.98 is: 8,943,205.03
Step by Step Solution
- Step 1: Write the proportion equation
11,707,509.83 : 16,155,958.14 = 6,480,745.98 : x - Step 2: Convert to fraction form
11,707,509.83/16,155,958.14 = 6,480,745.98/x - Step 3: Cross multiply
11,707,509.83x = 16,155,958.14 × 6,480,745.98 - Step 4: Simplify right side
11,707,509.83x = 104,702,660,768,853.28 - Step 5: Solve for x
x = 104,702,660,768,853.28/11,707,509.83 - Step 6: Final answer
x = 8,943,205.03
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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.