Finding the Fourth Proportional to 51,990,804.24, 71,749,551.24 and 28,785,930.36
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Solution
The fourth proportional to 51,990,804.24, 71,749,551.24 and 28,785,930.36 is: 39,725,824.89
Step by Step Solution
- Step 1: Write the proportion equation
51,990,804.24 : 71,749,551.24 = 28,785,930.36 : x - Step 2: Convert to fraction form
51,990,804.24/71,749,551.24 = 28,785,930.36/x - Step 3: Cross multiply
51,990,804.24x = 71,749,551.24 × 28,785,930.36 - Step 4: Simplify right side
51,990,804.24x = 2,065,377,585,355,891.50 - Step 5: Solve for x
x = 2,065,377,585,355,891.50/51,990,804.24 - Step 6: Final answer
x = 39,725,824.89
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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.