Finding the Fourth Proportional to 10,209,786.57, 14,089,599.99 and 5,626,271.97
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Solution
The fourth proportional to 10,209,786.57, 14,089,599.99 and 5,626,271.97 is: 7,764,307.41
Step by Step Solution
- Step 1: Write the proportion equation
10,209,786.57 : 14,089,599.99 = 5,626,271.97 : x - Step 2: Convert to fraction form
10,209,786.57/14,089,599.99 = 5,626,271.97/x - Step 3: Cross multiply
10,209,786.57x = 14,089,599.99 × 5,626,271.97 - Step 4: Simplify right side
10,209,786.57x = 79,271,921,492,249.28 - Step 5: Solve for x
x = 79,271,921,492,249.28/10,209,786.57 - Step 6: Final answer
x = 7,764,307.41
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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.