Finding the Fourth Proportional to 10,391,691.25, 14,340,286.12 and 5,808,439.09
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Solution
The fourth proportional to 10,391,691.25, 14,340,286.12 and 5,808,439.09 is: 8,015,507.43
Step by Step Solution
- Step 1: Write the proportion equation
10,391,691.25 : 14,340,286.12 = 5,808,439.09 : x - Step 2: Convert to fraction form
10,391,691.25/14,340,286.12 = 5,808,439.09/x - Step 3: Cross multiply
10,391,691.25x = 14,340,286.12 × 5,808,439.09 - Step 4: Simplify right side
10,391,691.25x = 83,294,678,461,192.42 - Step 5: Solve for x
x = 83,294,678,461,192.42/10,391,691.25 - Step 6: Final answer
x = 8,015,507.43
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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.