Finding the Fourth Proportional to 7,497,928.95, 10,347,139.43 and 4,060,169.99
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Solution
The fourth proportional to 7,497,928.95, 10,347,139.43 and 4,060,169.99 is: 5,603,033.21
Step by Step Solution
- Step 1: Write the proportion equation
7,497,928.95 : 10,347,139.43 = 4,060,169.99 : x - Step 2: Convert to fraction form
7,497,928.95/10,347,139.43 = 4,060,169.99/x - Step 3: Cross multiply
7,497,928.95x = 10,347,139.43 × 4,060,169.99 - Step 4: Simplify right side
7,497,928.95x = 42,011,144,923,995.16 - Step 5: Solve for x
x = 42,011,144,923,995.16/7,497,928.95 - Step 6: Final answer
x = 5,603,033.21
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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.