Finding the Fourth Proportional to 49,775,009.54, 68,689,806.75 and 28,879,484.09
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Solution
The fourth proportional to 49,775,009.54, 68,689,806.75 and 28,879,484.09 is: 39,853,858.38
Step by Step Solution
- Step 1: Write the proportion equation
49,775,009.54 : 68,689,806.75 = 28,879,484.09 : x - Step 2: Convert to fraction form
49,775,009.54/68,689,806.75 = 28,879,484.09/x - Step 3: Cross multiply
49,775,009.54x = 68,689,806.75 × 28,879,484.09 - Step 4: Simplify right side
49,775,009.54x = 1,983,726,180,838,350.75 - Step 5: Solve for x
x = 1,983,726,180,838,350.75/49,775,009.54 - Step 6: Final answer
x = 39,853,858.38
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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.