Finding the Fourth Proportional to 8,674,345.98, 13,011,424.83 and 3,555,634.68
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Solution
The fourth proportional to 8,674,345.98, 13,011,424.83 and 3,555,634.68 is: 5,333,413.43
Step by Step Solution
- Step 1: Write the proportion equation
8,674,345.98 : 13,011,424.83 = 3,555,634.68 : x - Step 2: Convert to fraction form
8,674,345.98/13,011,424.83 = 3,555,634.68/x - Step 3: Cross multiply
8,674,345.98x = 13,011,424.83 × 3,555,634.68 - Step 4: Simplify right side
8,674,345.98x = 46,263,873,361,761.11 - Step 5: Solve for x
x = 46,263,873,361,761.11/8,674,345.98 - Step 6: Final answer
x = 5,333,413.43
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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.