Finding the Fourth Proportional to 13,837,924.09, 19,097,515.97 and 7,727,533.57
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Solution
The fourth proportional to 13,837,924.09, 19,097,515.97 and 7,727,533.57 is: 10,664,655.68
Step by Step Solution
- Step 1: Write the proportion equation
13,837,924.09 : 19,097,515.97 = 7,727,533.57 : x - Step 2: Convert to fraction form
13,837,924.09/19,097,515.97 = 7,727,533.57/x - Step 3: Cross multiply
13,837,924.09x = 19,097,515.97 × 7,727,533.57 - Step 4: Simplify right side
13,837,924.09x = 147,576,695,761,786.12 - Step 5: Solve for x
x = 147,576,695,761,786.12/13,837,924.09 - Step 6: Final answer
x = 10,664,655.68
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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.