Finding the Fourth Proportional to 6,075,652.70, 9,102,981.45 and 5,130,868.70
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Solution
The fourth proportional to 6,075,652.70, 9,102,981.45 and 5,130,868.70 is: 7,687,437.86
Step by Step Solution
- Step 1: Write the proportion equation
6,075,652.70 : 9,102,981.45 = 5,130,868.70 : x - Step 2: Convert to fraction form
6,075,652.70/9,102,981.45 = 5,130,868.70/x - Step 3: Cross multiply
6,075,652.70x = 9,102,981.45 × 5,130,868.70 - Step 4: Simplify right side
6,075,652.70x = 46,706,202,598,485.61 - Step 5: Solve for x
x = 46,706,202,598,485.61/6,075,652.70 - Step 6: Final answer
x = 7,687,437.86
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1.5x scale
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.