Finding the Fourth Proportional to 13,039,343.97, 17,993,394 and 7,237,668.99
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Solution
The fourth proportional to 13,039,343.97, 17,993,394 and 7,237,668.99 is: 9,987,483.27
Step by Step Solution
- Step 1: Write the proportion equation
13,039,343.97 : 17,993,394 = 7,237,668.99 : x - Step 2: Convert to fraction form
13,039,343.97/17,993,394 = 7,237,668.99/x - Step 3: Cross multiply
13,039,343.97x = 17,993,394 × 7,237,668.99 - Step 4: Simplify right side
13,039,343.97x = 130,230,229,778,652.06 - Step 5: Solve for x
x = 130,230,229,778,652.06/13,039,343.97 - Step 6: Final answer
x = 9,987,483.27
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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.