Finding the Fourth Proportional to 10,782,451.74, 14,879,855.46 and 5,887,707.99
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Solution
The fourth proportional to 10,782,451.74, 14,879,855.46 and 5,887,707.99 is: 8,125,076.37
Step by Step Solution
- Step 1: Write the proportion equation
10,782,451.74 : 14,879,855.46 = 5,887,707.99 : x - Step 2: Convert to fraction form
10,782,451.74/14,879,855.46 = 5,887,707.99/x - Step 3: Cross multiply
10,782,451.74x = 14,879,855.46 × 5,887,707.99 - Step 4: Simplify right side
10,782,451.74x = 87,608,243,881,887.14 - Step 5: Solve for x
x = 87,608,243,881,887.14/10,782,451.74 - Step 6: Final answer
x = 8,125,076.37
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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.