Finding the Fourth Proportional to 13,098,349.36, 19,625,803.79 and 7,965,252.08
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Solution
The fourth proportional to 13,098,349.36, 19,625,803.79 and 7,965,252.08 is: 11,934,669.79
Step by Step Solution
- Step 1: Write the proportion equation
13,098,349.36 : 19,625,803.79 = 7,965,252.08 : x - Step 2: Convert to fraction form
13,098,349.36/19,625,803.79 = 7,965,252.08/x - Step 3: Cross multiply
13,098,349.36x = 19,625,803.79 × 7,965,252.08 - Step 4: Simplify right side
13,098,349.36x = 156,324,474,459,969.38 - Step 5: Solve for x
x = 156,324,474,459,969.38/13,098,349.36 - Step 6: Final answer
x = 11,934,669.79
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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.