Finding the Fourth Proportional to 7,877,571.95, 11,816,357.97 and 2,490,006.08
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Solution
The fourth proportional to 7,877,571.95, 11,816,357.97 and 2,490,006.08 is: 3,735,009.13
Step by Step Solution
- Step 1: Write the proportion equation
7,877,571.95 : 11,816,357.97 = 2,490,006.08 : x - Step 2: Convert to fraction form
7,877,571.95/11,816,357.97 = 2,490,006.08/x - Step 3: Cross multiply
7,877,571.95x = 11,816,357.97 × 2,490,006.08 - Step 4: Simplify right side
7,877,571.95x = 29,422,803,188,756.46 - Step 5: Solve for x
x = 29,422,803,188,756.46/7,877,571.95 - Step 6: Final answer
x = 3,735,009.13
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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.