Finding the Fourth Proportional to 7,015,896.90, 10,532,702.70 and 3,780,011.70
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Solution
The fourth proportional to 7,015,896.90, 10,532,702.70 and 3,780,011.70 is: 5,674,789.70
Step by Step Solution
- Step 1: Write the proportion equation
7,015,896.90 : 10,532,702.70 = 3,780,011.70 : x - Step 2: Convert to fraction form
7,015,896.90/10,532,702.70 = 3,780,011.70/x - Step 3: Cross multiply
7,015,896.90x = 10,532,702.70 × 3,780,011.70 - Step 4: Simplify right side
7,015,896.90x = 39,813,739,438,621.59 - Step 5: Solve for x
x = 39,813,739,438,621.59/7,015,896.90 - Step 6: Final answer
x = 5,674,789.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.