Finding the Fourth Proportional to 14,296,099.76, 19,728,618.10 and 7,769,745.08
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Solution
The fourth proportional to 14,296,099.76, 19,728,618.10 and 7,769,745.08 is: 10,722,248.44
Step by Step Solution
- Step 1: Write the proportion equation
14,296,099.76 : 19,728,618.10 = 7,769,745.08 : x - Step 2: Convert to fraction form
14,296,099.76/19,728,618.10 = 7,769,745.08/x - Step 3: Cross multiply
14,296,099.76x = 19,728,618.10 × 7,769,745.08 - Step 4: Simplify right side
14,296,099.76x = 153,286,333,417,673.97 - Step 5: Solve for x
x = 153,286,333,417,673.97/14,296,099.76 - Step 6: Final answer
x = 10,722,248.44
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1.5x scale
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.