Finding the Fourth Proportional to 10,756,762.40, 16,128,922.80 and 4,025,856.80
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Solution
The fourth proportional to 10,756,762.40, 16,128,922.80 and 4,025,856.80 is: 6,036,456.99
Step by Step Solution
- Step 1: Write the proportion equation
10,756,762.40 : 16,128,922.80 = 4,025,856.80 : x - Step 2: Convert to fraction form
10,756,762.40/16,128,922.80 = 4,025,856.80/x - Step 3: Cross multiply
10,756,762.40x = 16,128,922.80 × 4,025,856.80 - Step 4: Simplify right side
10,756,762.40x = 64,932,733,531,055.04 - Step 5: Solve for x
x = 64,932,733,531,055.04/10,756,762.40 - Step 6: Final answer
x = 6,036,456.99
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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.