Finding the Fourth Proportional to 7,118,777.04, 9,823,863.24 and 3,855,517.08
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Solution
The fourth proportional to 7,118,777.04, 9,823,863.24 and 3,855,517.08 is: 5,320,586.99
Step by Step Solution
- Step 1: Write the proportion equation
7,118,777.04 : 9,823,863.24 = 3,855,517.08 : x - Step 2: Convert to fraction form
7,118,777.04/9,823,863.24 = 3,855,517.08/x - Step 3: Cross multiply
7,118,777.04x = 9,823,863.24 × 3,855,517.08 - Step 4: Simplify right side
7,118,777.04x = 37,876,072,513,404.14 - Step 5: Solve for x
x = 37,876,072,513,404.14/7,118,777.04 - Step 6: Final answer
x = 5,320,586.99
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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.