Finding the Fourth Proportional to 7,821,014.12, 10,793,422.50 and 4,384,359.08
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Solution
The fourth proportional to 7,821,014.12, 10,793,422.50 and 4,384,359.08 is: 6,050,652.67
Step by Step Solution
- Step 1: Write the proportion equation
7,821,014.12 : 10,793,422.50 = 4,384,359.08 : x - Step 2: Convert to fraction form
7,821,014.12/10,793,422.50 = 4,384,359.08/x - Step 3: Cross multiply
7,821,014.12x = 10,793,422.50 × 4,384,359.08 - Step 4: Simplify right side
7,821,014.12x = 47,322,239,942,151.30 - Step 5: Solve for x
x = 47,322,239,942,151.30/7,821,014.12 - Step 6: Final answer
x = 6,050,652.67
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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.