Finding the Fourth Proportional to 13,451,562.24, 18,563,564.80 and 7,651,178.24
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Solution
The fourth proportional to 13,451,562.24, 18,563,564.80 and 7,651,178.24 is: 10,558,858.56
Step by Step Solution
- Step 1: Write the proportion equation
13,451,562.24 : 18,563,564.80 = 7,651,178.24 : x - Step 2: Convert to fraction form
13,451,562.24/18,563,564.80 = 7,651,178.24/x - Step 3: Cross multiply
13,451,562.24x = 18,563,564.80 × 7,651,178.24 - Step 4: Simplify right side
13,451,562.24x = 142,033,143,054,589.97 - Step 5: Solve for x
x = 142,033,143,054,589.97/13,451,562.24 - Step 6: Final answer
x = 10,558,858.56
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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.