Finding the Fourth Proportional to 13,991,197.36, 19,307,593.16 and 7,626,106.80
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Solution
The fourth proportional to 13,991,197.36, 19,307,593.16 and 7,626,106.80 is: 10,523,886.10
Step by Step Solution
- Step 1: Write the proportion equation
13,991,197.36 : 19,307,593.16 = 7,626,106.80 : x - Step 2: Convert to fraction form
13,991,197.36/19,307,593.16 = 7,626,106.80/x - Step 3: Cross multiply
13,991,197.36x = 19,307,593.16 × 7,626,106.80 - Step 4: Simplify right side
13,991,197.36x = 147,241,767,489,109.50 - Step 5: Solve for x
x = 147,241,767,489,109.50/13,991,197.36 - Step 6: Final answer
x = 10,523,886.10
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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.