Finding the Fourth Proportional to 11,394,553.05, 15,724,482.74 and 6,237,914.58
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Solution
The fourth proportional to 11,394,553.05, 15,724,482.74 and 6,237,914.58 is: 8,608,321.86
Step by Step Solution
- Step 1: Write the proportion equation
11,394,553.05 : 15,724,482.74 = 6,237,914.58 : x - Step 2: Convert to fraction form
11,394,553.05/15,724,482.74 = 6,237,914.58/x - Step 3: Cross multiply
11,394,553.05x = 15,724,482.74 × 6,237,914.58 - Step 4: Simplify right side
11,394,553.05x = 98,087,980,115,614.78 - Step 5: Solve for x
x = 98,087,980,115,614.78/11,394,553.05 - Step 6: Final answer
x = 8,608,321.86
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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.