Finding the Fourth Proportional to 7,295,274.77, 10,062,257.81 and 5,120,303.27
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Solution
The fourth proportional to 7,295,274.77, 10,062,257.81 and 5,120,303.27 is: 7,062,353.80
Step by Step Solution
- Step 1: Write the proportion equation
7,295,274.77 : 10,062,257.81 = 5,120,303.27 : x - Step 2: Convert to fraction form
7,295,274.77/10,062,257.81 = 5,120,303.27/x - Step 3: Cross multiply
7,295,274.77x = 10,062,257.81 × 5,120,303.27 - Step 4: Simplify right side
7,295,274.77x = 51,521,811,492,213.23 - Step 5: Solve for x
x = 51,521,811,492,213.23/7,295,274.77 - Step 6: Final answer
x = 7,062,353.80
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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.