Finding the Fourth Proportional to 11,670,490.13, 17,505,487.79 and 3,889,966.99
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Solution
The fourth proportional to 11,670,490.13, 17,505,487.79 and 3,889,966.99 is: 5,834,868.01
Step by Step Solution
- Step 1: Write the proportion equation
11,670,490.13 : 17,505,487.79 = 3,889,966.99 : x - Step 2: Convert to fraction form
11,670,490.13/17,505,487.79 = 3,889,966.99/x - Step 3: Cross multiply
11,670,490.13x = 17,505,487.79 × 3,889,966.99 - Step 4: Simplify right side
11,670,490.13x = 68,095,769,539,970.77 - Step 5: Solve for x
x = 68,095,769,539,970.77/11,670,490.13 - Step 6: Final answer
x = 5,834,868.01
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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.