Finding the Fourth Proportional to 7,517,785.24, 11,276,677.86 and 1,837,942.12
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Solution
The fourth proportional to 7,517,785.24, 11,276,677.86 and 1,837,942.12 is: 2,756,913.18
Step by Step Solution
- Step 1: Write the proportion equation
7,517,785.24 : 11,276,677.86 = 1,837,942.12 : x - Step 2: Convert to fraction form
7,517,785.24/11,276,677.86 = 1,837,942.12/x - Step 3: Cross multiply
7,517,785.24x = 11,276,677.86 × 1,837,942.12 - Step 4: Simplify right side
7,517,785.24x = 20,725,881,212,565.46 - Step 5: Solve for x
x = 20,725,881,212,565.46/7,517,785.24 - Step 6: Final answer
x = 2,756,913.18
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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.