Finding the Fourth Proportional to 7,197,232.68, 9,931,798.08 and 3,933,418.68
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Solution
The fourth proportional to 7,197,232.68, 9,931,798.08 and 3,933,418.68 is: 5,427,908.45
Step by Step Solution
- Step 1: Write the proportion equation
7,197,232.68 : 9,931,798.08 = 3,933,418.68 : x - Step 2: Convert to fraction form
7,197,232.68/9,931,798.08 = 3,933,418.68/x - Step 3: Cross multiply
7,197,232.68x = 9,931,798.08 × 3,933,418.68 - Step 4: Simplify right side
7,197,232.68x = 39,065,920,093,860.13 - Step 5: Solve for x
x = 39,065,920,093,860.13/7,197,232.68 - Step 6: Final answer
x = 5,427,908.45
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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.